Subspecies Updates

AL	Accepted lump
AS	Accepted split
ENG	English name change
EXT	Extinct taxon
NEW	Newly described taxon
PHY	Phylogenetic issue
PL	Proposed lump
PS	Proposed split
SEQ	Modification in linear sequence
SSP	Subspecies issue
TAX	Taxonomic or nomenclatural issue

Subspecies Updates IOC Version 15.1 (DRAFT)

Species	Previous Versions	Proposed Change	Code	Notes & Sources
Sri Lanka Frogmouth	Batrachostomus moniliger	Delete ssp. roonwali.	DEL	Treat as monotypic. Includes roonwali of sw India (Praveen et al. 2024).
Brown Booby	Sula leucogaster	Move ssp.etesiaca from Brown Booby S. leucogaster to Cocos Booby S. brewsteri.	TAX	Move ssp. etesiaca from S. leucogaster to S. brewsteri. Corrects error in IOC 14.2.
Vinous-breasted Sparrowhawk	Tachyspiza rhodogaster	Add ssp. butonensis.	ADD	Split ssp. butonensis from the nominate ssp. following Eaton et al. (2021).
Red-tailed Hawk	Buteo jamaicensis	Add ssp. socorroensis.	ADD	Restore ssp. socorroensis (Dickinson & Remsen 2013; Preston & Beane 2020).
Paddyfield Warbler	Acrocephalus agricola	Delete subspecies septimus.	DEL	Treat as monotypic. Includes septimus (Hering et al. 2015; Shirihai & Svensson 2018; Dyrcz 2020).
Black-goggled Tanager	Trichothraupis melanops	Add newly described subspecies griseonota.	NEW	Originally described as a species (Cavarzere, Costa, Cabanne, Trujillo-Arias, Marcondes & Silveira), but here treated as a subspecies of Trichothraupis melanops.

Subspecies Updates IOC Version 14.2

Species	Previous Versions	Proposed Change	Code	Notes & Sources
Dusky Long-tailed Cuckoo	Cercococcyx mechowi	Add subspecies lemaireae.	ADD	Cercococcyx lemaireae Boesman & Collar (2019) is a recently described species evidently morphologically identical to, but vocally distinct from, Cercococcyx mechowi. However, there is an apparent zone of vocal overlap in sw Cameroon (Boesman & Collar 2019) which may suggest that song variation is clinal. Tentatively treat as a subspecies.
Thick-billed Green Pigeon	Treron curvirostra	Delete subspecies nasica and erimacrus.	DEL	Subspecies nasica and erimacrus are synoymized with the nomiate subspecies (Allen 2020; Eaton et al. 2021; HBW/BirdLife).
Common Black Hawk	Buteogallus anthracinus	Delete subspecies utilensis.	DEL	Subspecies utilensis is doubtfully distinct (Johnson & Schnell 2024).
Collared Scops Owl	Otus lettia	Add subspecies cnephaeus.	ADD	Subspecies cnephaeus, previously synonymized with the nominate subspecies of Otus lempiji, is reassigned to Otus lettia based on vocalizations (Wu & Rheindt 2023).
Sunda Scops Owl	Otus lempiji	Add subspecies condorensis and hypnodes.	ADD	Add following Wu & Rheindt (2023).
Eurasian Hoopoe	Upupa epops	Add subspecies saturata.	ADD	Recognize U. e. saturata which is often lumped with the nominate, but which is morphologically distinct (Cramp et al. 1985; Ericson 1997; del Hoyo & Collar 2014).
Silvery-cheeked Antshrike	Sakesphoroides cristatus	Add subspecies niedeguidonae.	ADD	Newly described as a sp. nov. Cerqueira, Gonçalves, Quaresma, Silva, Pichorim & Aleixo, 2024. Tentatively treated as a subspecies of Sakesphoroides cristatus.
Grey-capped (Bismarck) Cicadabird	Edolisoma remotum	Move subpecies ultimum, saturatius, nisorium and erythropygium from E. remotum to E. erythropygium.	TAX	Subspecies ultimum, saturatius, nisorium and erythropygium are moved from Edolisoma remotum to E. erythropygium based on the integration of genomic and mtDNA data with assessments of plumage and vocalizations (Pedersen et al. 2018; Eaton et al. 2021; McCullough et al. 2022; WGAC 1072).
Common Cicadabird	Edolisoma tenuirostre	Move subspecies matthiae, rooki and heinrothi from E. tenuirostre to E. remotum.	TAX	Move subspecies matthiae, rooki and heinrothi from E. tenuirostre to E. remotum based on the integration of genomic and mtDNA data with assessments of plumage and vocalizations (Pedersen et al. 2018; Eaton et al. 2021; McCullough et al. 2022; WGAC 1072).
Common Cicadabird	Edolisoma tenuirostre	Move subspecies edithae from Common Cicadabird to Sulawesi Cicadabird.	TAX	Move poorly known subspecies edithae from Common Cicadabird Edolisoma tenuirostre to Sulawesi Cicadabird E. morio (WGAC 1072).
Yellow-throated Whistler	Pachycephala macrorhyncha	Move subspecies par and compar to to Pachycephala orpheus, reassign subspecies calliope to P. fulvotincta and move ssp. dammeriana to Pachycephala melanura.	TAX, DEL	Move ssp. par and compar from Pachycephala macrorhyncha to Pachycephala orpheus, ssp. calliope to P. fulvotinctata (which becomes P. calliope after this revision) and ssp. dammeriana to P. melanura to align with phylogenetic analyses (Jønsson et al. 2014; Joseph et al. 2021; WGAC 1065).
Yellow-green Vireo	Vireo flavoviridis	Add subspecies insulanus. Delete ssp. perplexus andvanrossemi.	ADD, DEL	Add insulanus following Wetmore (1952). Delete doubtfully distinct perplexus and vanrossemi to align with Clements Checklist.
Velvet Flycatcher	Myiagra eichhorni	Add subspecies cervinicolor and the nominate subspecies.	ADD	Add subspecies with the lump of Dyaul Flycatcher with Velvet Flycatcher.
Vogelkop Lophorina	Lophorina superba	Includes ssp. superba and niedda.	TAX	Includes ssp. L. s. niedda with the restoration of the traditional taxonomy of Lophoria. Subpeces L. niedda inopinata (Irestedt et al. 2017 becomes a junior synonym of L. s. superba with restoration of the traditional taxomy of Lophorina.
Greater Lophorina	Lophorina latipennis	Restore subspecies feminina.	ADD	Restore feminina as a subspecies of L. latipennis with the re-adoption of the more traditional classfication of the genus Lophorina.
Plains Lark	Corypha (Mirafra) kabalii	Add subspecies irwinii.	ADD	Subspecies irwinii, previously synonymized with C. africana pallida, is resurrected and attributed to this species following Alström et al. (2024).
Somali Lark	Corypha (Mirafra) somalica	Add subspecies ashi. Delete subspecies rochei.	ADD, DEL	Add suspecies ashi with lump of Ash's Lark with Somali Lark. Synonyize ssp. rochei with ashi.
Pale Crag Martin	Ptyonoprogne obsoleta	Move ssp. pusilla to Ptyonoprogne rufigula (newly split from Ptyonoprogne fuligula).	TAX	Subspecies pusilla was originally included in Ptyonoprogne fuligula based on Dickinson & Christidis (2014). Subsequently reassigned to Ptyonoprogne obsoleta following HBW/BLI and Clements (2023). Finally moved to Ptyonoprogne rufigula after additional reassessment and the split of P. rufigula from P. fuligula (WGAC 1211).
White-rumped Shama	Copsychus malabaricus	Add subspecies hypolizus and opisthochrus.	ADD	Add following Rheindt et al. 2019. Extinct in the wild.
Black-throated Green Warbler	Setophaga virens	Add subspecies waynei.	ADD	Add resurrected subspecies S. c. waynei based on the results of whole-genome sequencing (Carpenter et al. 2022).

Subspecies Updates IOC Version 14.1

Species	Previous Versions	Proposed Change	Code	Notes & Sources
Horus Swift	Apus horus	Delete subspecies fuscobrunneus and the nominate subspecies.	DEL	Treat Apus horus as monotypic. Includes fuscobrunneus which is better regarded as a local color morph, rather than a valid subspecies, similar to the way in which “toulsoni” is also thought to be (Jansen & Driessens 2023).
Brush Cuckoo	Cacomantis variolosus	Recognize subspecies major, obscuratus, and fortior. Delete subspecies oreophilus.	ADD, DEL	Modify subspecies to align with Wu et al. (2022).
Bar-tailed Godwit	Limosa lapponica	Add subspecies yamalensis.	ADD	Subsp. nov.: Bom et al. 2021.
Little Tern	Sternula albifrons	Recognize subspecies placens.	ADD	Recognize following Dickinson & Remsen (2013); HBW/BirdLife; Clements (2023).
Atlantic Black-throated Trogon	Trogon chrysochloros	Recognize subspecies muriciensis.	ADD	Described as a species (Dickens, Bitton, Bravo & Silviera, 2021), but treated as a subspecies of T. chrysochloros by SACC (Proposal 921).
Rufous-backed Dwarf Kingfisher	Ceyx rufidorsa	Recognize subspecies captus, jungei, vargasi and the nominate subspecies. Move subspecies motleyi from Ceyx erithaca s.l. to Ceyx rufidorsa.	ADD	Add following Eaton et al. (2021).
Yellow-crested Cockatoo	Cacatua sulphurea	Add recently described subspecies paulandrewi.	ADD	Add following Eaton et al. (2021).
Philippine Pitta	Erythropitta erythrogaster	Recognize subspecies thompsoni.	ADD	Dickinson & Christidis 2014 (contra Irestedt et al. 2013).
North Moluccan Pitta	Erythropitta rufiventris	Recognize subspecies obiensis.	ADD	Add following Dickinson & Christidis (2014); (contra Collar et al. 2015).
South Papuan Pitta	Erythropitta macklotii	Recognize subspecies oblita.	ADD	Add following Collar et al. (2015); contra Beehler & Pratt (2016).
Bicolored Antpitta	Grallaria rufocinerea	Delete subspecies romeroana and the nominate subspecies.	DEL	Treat as monotypic. Includes "romeroana" Hernández-Camacho & Rodríguez-M, 1979, an invalid subspecies (Cuervo 2022).
Large Scrubwren	Sericornis nouhuysi	Add subspecies idenburgi.	ADD, DEL	Subspecies idenburgi was mistakenly assigned to Sericornis beccarii. Delete from that species and move to S. nouhuysi to correct the error.
Oriental Skylark	Alauda gulgula	Delete subspecies dharmakumarsinhjii, sala, herberti, and wolfei.	DEL	Subspecies dharmakumarsinhjii and herberti are included in the nominate subspecies; sala in coelivox; and wolfei in wattersi (Alström 2023).
Asian Short-toed Lark	Alaudala cheleensis	Delete subspecies kukunoorensis.	DEL	Subspecies kukunoorensis is synonymized with the nominate subspecies (Alström 2023).
Ruby-throated Bulbul	Rubigula dispar	Add newly described subspecies matamerah and the nominate subspecies.	ADD	Rubigula d. matamerah, subsp. nov.: Berryman & Collar, 2023. Recognized as a subspecies based on red irides for this form, the Sumatran population, in contrast to yellow irides for the Javan form.
Rock Martin	Ptyonoprogne fuligula	Move subspecies pusilla to Pale Crag Martin Ptyonoprogne obsoleta.	TAX	Subspecies pusilla was previously included in Ptyonoprogne fuligula based on Dickinson & Christidis (2014). Reassigned to Ptyonoprogne obsoleta following HBW/BLI and Clements (2023).
Clay-colored Thrush	Turdus grayi	Add newly described subspecies suarezi.	ADD	Subsp. nov.: Avendaño et al. 2021.
Ornate Sunbird	Cinnyris ornatus	Recognize subspecies blanfordi.	ADD	Add following HBW/BirdLife

Subspecies Updates IOC Version 13.2

Species	Previous Versions	Proposed Change	Code	Notes & Sources
White-tipped Dove	Leptotila verreauxi chalcauchenia	Leptotila verreauxi chlorauchenia	TAX	Formerly Leptotila verreauxi chalcauchenia Sclater, PL & Salvin, 1870, but L. v. chlorauchenia Giglioli & Salvadori, 1870 has precedence (Dickinson & Aimassi 2022).
White-breasted Waterhen	Amaurornis phoenicurus	Add subspecies leucocephalus.	ADD	Recognize following Praveen & Khot (2023).
American Barn Owl	Tyto furcata nigrescens; Tyto furcata insularis	Tyto glaucops nigrescens, Tyto glaucops insularis	TAX	In the absence of vocal and genetic data to the contrary, tentatively reassign ssp. nigrescens and insularis, dark-plumaged forms, from pale-plumaged T. furcata to dark-plumaged Ashy-faced Owl T. glaucops (del Hoyo & Collar 2014; HBW/BirdLife).
Yellow-spotted Barbet	Buccanodon duchaillui	Add newly described, vocally distinct taxon dowsetti as a subspecies.	TAX	Morphologically 'identical' western populations were initially proposed (10.1) to be recognized as Buccanodon dowsetti sp. nov. (Boesman & Collar, 2019) based on very different vocalizations from B. duchaillui (first noted by Borrow & Demey 2001). Replaces B. duchaillui west of the Dahomey Gap. A recent mtDNA analysis for genetic divergence found a genetic break at the Dahomey Gap, but also identified deep divergence among other populations in the eastern part of the species’ range (Hall et al. 2021). The taxonomic consequences of this finding is unresolved, but it is strongly suggestive of greater cryptic diversity within the Buccanodon duchaillui complex than expected. Tentatively treat the newly described taxon dowsetti as a subspecies for now, pending more comprehensive study.
Ochraceous Piculet	Picumnus limae	Restore subspecies fulvescens and the nominate subspecies.	TAX	Tawny Piculet Picumnus fulvescens was lumped with Ochraceous Piculet Picumnus limae as a monotypic species based on clinal plumage variation (Lima et al. 2020; SACC 845). In so doing fulvescens was treated as a junior synonym of limae following SACC 845. But Ochraceous Piculet is strongly differentiated at the geographic extremes of its range. This is best recognized by treating fulvescens as a valid subspecies.
Rüppell's Parrot	Poicephalus rueppellii	Add newly described subspecies mariettae and the nominate subspecies.	NEW	Subsp. nov.: Hubers & Schnitker, 2022. Newly recognized subspecies based on morphological differences from the nominate subspecies (Hubers et al. 2023)..
Plain Xenops	Xenops minutus	Add subspecies alagoanus.	ADD	Recognize alagoanus as a distinct subspecies (Dickinson & Christidis 2014; del Hoyo & Collar 2016; contra Remsen 2003). If split of Xenops genibarbis is recognized, alagoanus would be assigned to that species, not synonymize with to X. m. minutus as in Remsen (2003).
Western Olivaceous Flatbill	Rhynchocyclus aequinoctialis	Add subspecies cryptus.	ADD	Subsp. nov. : Described as a full species based on vocalizations and phylogenetics (Simões et al. 2021). Here treated as a subspecies of R. aequinoctialis based on similarities in the basic structure of its vocalizations and sister relationship to nominate aequinoctialis + badius (WGAC 843).
Black-and-white Becard	Pachyramphus albogriseus	Move subspecies guayaquilensis to split Cryptic Becard Pachyramphus salvini as a junior synonym. Delete subspecies coronatus.	DEL, TAX	Move subspecies guayaquilensis to split Cryptic Becard Pachyramphus salvini as a junior synonym. Treat subspecies coronatus as a junior synonym of the nominate subspecies of Black-and-white Becard.
Balicassiao	Dicrurus balicassius	Move subspecies striatus and samarensis to newly split Dicrurus striatus.	TAX	Subspecies striatus and samarensis are reassigned to the newly split Short-tailed Drongo Dicrurus striatus (Allen et al. 2020; HBW/BirdLife).
Sand Lark	Alaudala raytal	Delete subspecies krishnakumarsinhji.	DEL	Subspecies krishnakumarsinhji is regarded as a synonym of A. r. adamsi as a locally adapted color morph (Ganpule & Alström 2023).
Pacific Robin	Petroica pusilla	Add recently described subspecies tannensis.	ADD	subsp. nov.: Kearns & Omland, 2015. Formerly included in P. p. similis but split by differences in plumage, bill size and genetics (Kearns et al. 2015).
Black-headed Tailorbird	Orthotomus nigriceps	Add recently described subspecies luminosus and the nominate subspecies.	ADD	subsp. nov.: Halley, 2022.
Large Ground Finch	Geospiza magnirostris	Add subspecies darwini and the nominate subspecies.	ADD	The variable subspecies darwini was formerly listed as a probable hybrid taxon in the comment under Geospiza conirostris based on some individuals resembling that species and others more similar to G. magnirostis (Grant 1986). Recently tentatively treated as a subspecies of the latter based on the curvature of the sides of the beak which closely resembles that of G. magnirostris (Grant 1986). This treatment is followed by del Hoyo & Collar (2016) and HBW/BirdLife.

Subspecies Updates IOC Version 13.1

Species	Previous Versions	Proposed Change	Code	Notes & Sources
Crested Fireback	Lophura ignita	Delete subspecies macartneyi.	DEL	Subspecies "macartneyi" of se Sumatra is regarded as a hybrid swarm between ignita and rufa (Collar & Prŷs-Jones 2014; Eaton et al. 2021; McGowan et al. 2022; HBW/BirdLife).
Fiery-necked Nightjar	Caprimulgus pectoralis	Add subspecies nigriscapularis.	TAX	Black-shouldered Nightjar Caprimulgus nigriscapularis is treated as the northern subspecies of C. pectoralis based on similar vocalizations and lack of significant morphological differences (Louette 1990; Dowsett & Dowsett-Lemaire 1993; Zimmerman et al. 1996; Dickinson & Remsen 2013; Jackson 2013; HBW/BirdLife). Contra Fry et al. (1988); Cleere (1995, 1999); and Holyoak (2001).
Green-breasted Mango	Anthracothorax prevostii	Reassign subspecies iridescens from A. prevostii to A. nigricollis.	TAX	Reassign subspecies iridescens from A. prevostii to A. nigricollis (Zimmer 1950; Ridgely & Greenfield 2001; Dickinson & Remsen 2013; HBW/BirdLife).
White-breasted Waterhen	Amaurornis phoenicurus	Add subspecies midnicobarica.	ADD	Recognize following Taylor (1996) and Rasmussen & Anderton (2012).
Rufous-backed Dwarf Kingfisher	Ceyx rufidorsa	Add subspecies vargasi.	ADD	Recognize genetically distinct Mindoro/Lubang subspecies C. r. vargasi based on phylogenetic analysis (Shakya et al. 2023). Ceyx rufidorsa populations on Palawan (and ? Tawi-Tawi) show mixed ancestry between Mindoro/Lubang and Borneo populations (Shakya et al. 2023)
Great Barbet	Psilopogon virens	Delete subspecies mayri.	DEL	Include in P. v. clamator. Indistinguishable. (Short & Horne 2002; Rasmussen & Anderton 2012).
Lesser Honeyguide	Indicator minor	Add subspecies ussheri and conirostris.	ADD	Subspecies ussheri and conirostris were formerly attributed to Thick-billed Honeyguide. Add following lump of that species with Lesser Honeyguide.
Yellow-rumped Honeyguide	Indicator xanthonotus	Add subspecies radcliffii and the nominate subspecies.	ADD	Add following Short & Horne (2002) and Rasmussen & Anderton (2012).
Crimson Rosella	Platycercus elegans	Add subspecies adelaidae. Delete subspecies fleurieuensis.	ADD, DEL	Resurrect ssp. P. e. adelaidae based on a morphological re-evaluation of the "Adelaide Rosella" complex. Includes fleurieuensis in synonymy (Black et al. 2022).
Plain Xenops	Xenops genibarbis	Add subspecies alagoanus.	ADD	Recognize alagoanus as a distinct subspecies (Dickinson & Christidis 2014; del Hoyo & Collar 2016; contra Remsen 2003).Genetic (mtDNA) studies (Burney 2009) confirm it to be a distinct taxon included in the Xenops genibarbis group rather than a form that is synonymous with X. minutus minutus as previously treated (Remsen 2003).
Thorn-tailed Rayadito	Aphrastura spinicauda	Add subspecies subantarctica.	ADD	Described as sp. nov.: Rozzi et al., 2022, based on genetic, morphological, and ecological divergence. Tentatively treat as a subspecies of Aphrastura spinicauda pending formal SACC evaluation.
Golden-crowned Flycatcher	Myiodynastes chrysocephalus	Reassign subspecies minor and cinerascens to Golden-bellied Flycatcher Myiodynastes hemichrysus.	TAX	Reassign subspecies minor and cinerascens from Golden-crowned Flycatcher M. chrysocephalus to Golden-bellied Flycatcher M. hemichrysus because vocalizations are identical to nominate M. h. hemichrysus and unlike those of M. chrysocephalus (del Hoyo & Collar 2016; HBW/BirdLife).
Indian Nuthatch	Sitta castanea	Delete subspecies prateri and the nominate subspecies.	DEL	Treat as monotypic (Rasmussen & Anderton 2012; HBW/BirdLife.
Black-necked Weaver	Ploceus nigricollis	Delete subspecies po.	DEL	Subspecies P. n. po is synonymized with the nominate subspecies P. n. nigricollis following other major world bird lists.

Subspecies Updates IOC Version 12.2

Species	Previous Versions	Proposed Change	Code	Notes & Sources
Arabian Partridge	Alectoris melanocephala	Delete dubious subspecies guichardi	DEL	Kirwan 2021.
Nubian Nightjar	Caprimulgus nubicus	Delete subspecies jonesi.	DEL	Treat subspecies jonesi as a junior synonym of torridus (Kirwan 2004; Cleere 2010; Redman (2011).
Crowned Lapwing	Vanellus coronatus	Delete subspecies xerophilus.	DEL	Treat as a junior synonym of the nominate subspecies. Doubtfully distinct, clinal. (Wiersma et al. 2020; Clements).
Common Buzzard	Buteo buteo	Add subspecies rothschildi. Delete subspcies harterti.	ADD, DEL	Subspecies rothschildi, often synonymized with the nominate subspecies, is recognized by weak, but consistent morphological differences. Madeiran subspecies harterti considered indistinguishable from the nominate subspecies (Cramp et al. 1980; Ferguson-Lees & Christie 2001; Clarke 2006; Garcia-del-Rey 2010).
Augur Buzzard	Buteo augur	Add subspecies archeri.	ADD	Buteo archeri was formerly treated as a distinct species, Archer's Buzzard (Thiollay 1994; Riesing et al. 2003). But it is now generally regarded either as a subspecies or a rufous morph of Augur Buzzard (Clark 1996; Clark 2003; Dickinson & Remsen 2013; HBW/BirdLife). Tentatively treated as a subspecies here.
Fraser's Eagle-Owl	Bubo poensis	Add subspecies vosseleri.	ADD	Usambara Eagle-Owl Bubo vosseleri was formerly treated as a monotypic species based on size and some differences in plumage from the nominate subspecies of Fraser's Eagle-Owl (König & Weick. 2008). But vocalizations are not appreciably different (Hunter et al. 1998; Dowsett-Lemaire 2006). Treated as a subspecies of B. poensis following HBW/BirdLife.
Asian Short-toed Lark	Alaudala cheleensis	Add ssp. seebohmi.	ADD	Restore seebohmi as a subspecies (Alström pers. comm.).
Asian Fairy-bluebird	Irena puella	Add subspecies sikkimensis.	ADD	Subspecies sikkimensis is recognized as distinct from the nominate subspecies based on differences in female plumage and allopatry (Rasmussen & Anderton 2012).
White-rumped Shama	Copsychus malabaricus	Add subspecies ngae.	ADD	C. m. ngae is a newly described, morphologically and mitogenomically distinct taxon conservatively treated as a subspecies of White-rumped Shama pending further studies (Wu & Rheindt 2022).
Mocking Cliff Chat	Thamnolaea cinnamomeiventris	Add subspecies cavernicola and bambarae. Delete subspcies kordofanensis.	ADD, DEL	Move subspecies T. c. cavernicola and bambarae from White-crowned Cliff Chat to Mocking Cliff Chat, and transfer subspecies kordofanensis from Mocking Cliff Chat to White-crowned Cliff Chat to correct initial errors in subspecies assignment.
White-crowned Cliff Chat	Thamnolaea coronata	Add subspecies kordofanensis. Delete subspecies cavernicola and bambarae.	ADD, DEL	Move subspecies T. c. cavernicola and bambarae from White-crowned Cliff Chat to Mocking Cliff Chat, and transfer subspecies kordofanensis from Mocking Cliff Chat to White-crowned Cliff Chat to correct initial errors in subspecies assignment.

IOC Version 12.1	(January 15, 2022)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Blue Duck	Hymenolaimus malacorhynchos	Add subspecies hymenolaimus and the nominate subspecies.	ADD	Recognize subspecies hymenolaimus based on strong genetic divergence from the nominate subspecies and some differences in plumage (Marchant & Higgins 1990; Robertson et al. 2007).
Polynesian Ground Dove	Pampusana erythroptera	Delete subspecies albicollis.	DEL	Synonymize albicollis with the nominate subspecies (Thibault & Cibois 2017).
Polynesian Imperial Pigeon	Ducula aurorae	Delete subspecies wilkesii.	DEL	Synonymize wilkesii with the nominate subspecies (Cibois et al. 2017; Thibault & Cibois 2017).
White-chinned Petrel	Procellaria aequinoctialis	ADD subspecies steadi and the nominate subspecies.	ADD	Recognize subspecies steadi based on genetic distinctiveness (Techow et al. 2009).
Magnificent Frigatebird	Fregata magnificens	Add subspecies rothschidi and the nominate subspecies.	ADD	Subspecies rothschildi is resurrected based on morphometrics and strong genetic differentiation (Haller et al. 2011; NACC 2021-A-8; SACC 872).
Australian Boobook	Ninox boobook remigialis	Transfer subspecies remigialis from Ninox boobook to Ninox connivens.	TAX	The type upon which remigialis was based is a moulting immature specimen initially treated as belonging to N. boobook. But all modern records of Ninox on Kai Besar sound and look like N. connivens (Gwee 2018; Eaton et al. 2021).
Buffy Fish Owl	Ketupa ketupu	Add subspecies pageli.	ADD	Add following Eaton et al. (2021).
Green-backed Woodpecker	Campethera cailliautii permista	Transfer subspecies permista from Campethera cailliautii to Campethera maculosa.	TAX	This unites the two forms with plain backs and barred underparts, and separates them from the forms with spotted backs and generally spotted underparts (HBW/Birdlife).
Common Flameback	Dinopium javanense	Add subspecies raveni.	ADD	Add following Eaton et al. (2021).
Wrinkled Hornbill	Rhabdotorrhinus corrugatus	Delete subspecies rugosus.	DEL	Treat as monotypic. Clinal. (Kemp 1995; Eaton et al. 2021)
Guam Kingfisher	Todiramphus cinnamominus	Delete subspecies miyakoensis.	DEL	Treat as monotypic. Includes previously accepted, extinct race miyakoensis, known only from a single, damaged specimen purportedly from Miyako-Jima, Ryukyu Is., Japan, now regarded as doubtfuly valid (Hume 2012; Woodall & Kirwan 2020).
Azure Kingfisher	Ceyx azureus	Add subspecies yamdenae.	ADD	Recognize as distinct from C. a. ruficollaris following Woodall (2001) and Eaton et al. (2021).
Yellow-crested Cockatoo	Cacatua sulphurea	Add subspecies djampeana and occidentalis.	ADD	Add following Eaton et al. (2021); HBW/Birdlife
Santarem Parakeet	Pyrrhura amazonum	Replace subspecies epithet snethlageae with pallescens.	TAX	Subspecies epithet P. (a.) snethlageae Joseph & Bates, JM, 2002 is a junior synonym of P. (a.) pallescens Miranda-Ribeiro, 1926 (Gaban-Lima & Raposo 2016).
Azure-rumped Parrot	Tanygnathus sumatranus	Add subspecies sangirensis.	ADD	Add subspecies sangirensis (Arndt et al. 2019; Eaton et al. 2021; HBW/Birdlife)
Red-and-blue Lory	Eos histrio	Delete subspecies talautensis and merge with challengeri.	DEL	Subspecies challengeri includes talautensis as a junior synonym. Purported range on Miangas I. or Nenusa I. has never been established (Riley et al. 1998; Rheindt pers. comm.).
Green Broadbill	Calyptomena viridis	Replace subspecies caudacuta with viridis for the entire continental range and replace viridis with gloriosa for the Greater Sundaic subspecies.	TAX	Subspecies revisions follow Wells (2013); Dickinson & Christidis (2014); Eaton et al. (2021); HBW/Birdlife.
Common Cicadabird	Edolisoma tenuirostre	Move subspecies nisorium to E. remotum.	TAX	Subspecies nisorium was incorrectly assigned to Edolisoma tenuirostre in previous versions of IOC WBL.
Sulawesi Fantail	Rhipidura teysmanni	Add subspecies coomansi.	ADD	Recognize following Eaton et al. (2021) and HBW/Birdlife.
Arafura Fantail	Rhipidura dryas	Restore subspecies henrici.	TAX, ADD	Restore subspecies henrici (Eaton et al. 2021; Gregory 2017; contra Beehler & Pratt 2016).
Spectacled Monarch	Symposiachrus trivirgatus nigrimentum	Reassign subspecies nigrimentum to S. bimaculatus. Delete subspecies melanorrhous.	TAX	Reassignment of nigrimentum Corrects error in original subspecies allocation. Subspecies melanorrhous is synonymized with gouldii (McCullough et al. 2021).
Island Monarch	Monarcha cinerascens nigrirostris	Merge nigrirostris with subspecies impediens.	TAX	Subspecies nigrirostris is synonymized with impediens following Beehler & Pratt (2016).
Crested Tit-warbler	Leptopoecile elegans	Delete subspecies meissneri.	DEL	Treat as monotypic (HBW/Birdlife, Clements).
Sulawesi Bush Warbler	Locustella castanea	Add subspecies everetti and the nominate subspecies.	ADD	Subspecies everetti is resurrected based on pronouced variation in vocalizations from the nominate subspecies. May represent an incipient or actual species (Berryman & Eaton 2020; Eaton et al. 2021).
Louisiade White-eye	Zosterops griseotinctus	Add subspecies ottomeyeri.	ADD	Recognize Z. g. ottomeyeri (Nauna I.) as a subspecies distinct from Z. g. eichhorni, with which is it frequently synonymized, on the basis of genetic divergence (Linck et al. 2016).
Fluffy-backed Tit-Babbler	Macronus ptilosus	Delete subspecies reclusus	DEL	Subspecies reclusus is synynomized with trichorrhos (Dickinson & Christidis 2014; Eaton et al. 2021).
Sooty-capped Babbler	Malacopteron affine	Add subspecies phoeniceum and the nominate subspecies.	ADD	Add subspecies phoeniceum (Collar & Robson 2007; Eaton et al. 2021)
Short-tailed Babbler	Pellorneum malaccense	Correct spelling of subspecies poliogenis to poliogene. Add subspecies saturatum.	TAX. ADD	Correct subspecies epithet from poliogenis to poliogene to agree with gender of genus. Add cryptic subspecies saturatum (which may be specifically distinct) based on vocal and genetic differences (Eaton et al. 2021).
Brown Fulvetta	Alcippe brunneicauda	Restore subspecies eriphaea and the nominate subspecies.	ADD	Restore subspecies eriphaea which differs significantly in vocalizations and may be a monotypic species (Eaton et al. 2021; contra Collar & Robson 2007).
Spot-throat	Modulatrix stictigula	Delete subspecies pressa.	DEL	Clinal. Treat as monotypic (Stevenson & Fanshawe 2020; HBW/Birdlfe).
Asian Glossy Starling	Aplonis panayensis	Add subspecies nesodramus.	ADD	Subspecies nesodramus is usually synonymized with A. p. altirostris but it differs in iris color (Eaton et al. 2021).
Common Hill Myna	Gracula religiosa	Add subspecies miotera.	ADD	Subspecies miotera was previously synonymized with the nominate subspecies, as it is frequently treated. But recent analysis reveals that it is morphologically and genetically distinct (Eaton et al. 2021; Ng et al. 2021). Proposed for consideration as a full species by Ng et al. (2021).
Brown-backed Flowerpecker	Dicaeum everetti	Delete subspecies bungurense	DEL, TAX	Subspecies bungurense (Natuna I.), if valid, may belong to the Dicaeum agile complex (Cheke & Mann 2008) or be misidentified or indistinct (Eaton et al. 2021).
Brown-throated Sunbird	Anthreptes malacensis	Add subspecies anambae and erixanthus	ADD	Recognize subspecies anambae and erixanthus based on differences in shades of underparts (Eaton et al. 2021).
Little Spiderhunter	Arachnothera longirostra cinireicollis	Arachnothera longirostra cinereicollis .	TAX	Change spelling of subspecies epithet from cinireicollis to cinereicollis (Eaton et al. 2021; Cheke & Mann 2008; Sherborn 1925; HBW/Birdlife). The subspecific epithet cinireicollis is an incorrect original spelling that must be corrected (David in litt.).
Black-faced Munia	Lonchura molucca	Add subspecies propinqua and the nominate subspecies.	ADD	Recognize subspecies L. m. propinqua based on morphological differences (Payne, 2010; Eaton et al. 2021).
IOC Version 11.2 (July 10, 2021)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
King Quail	Excalfactoria chinensis australis	Synoicus chinensis victoriae	TAX	With the merger of both Coturnix ypsilophora and Excalfactoria chinensis into the genus Synoicus, S. c. australis Gould, 1865 is preoccupied by S. y. australis (Latham, 1801). Change subspecies epithet to victoriae (Mathews, 1912).
Eastern Buzzard	Buteo japonicus	Add subspecies burmanicus.	TAX	Recognition of burmanicus as the migratory mainland Asia subspecies of B. japonicus rather than the name associated with Himalayan Buzzard is based on James (1988). Race japonicus is limited to the form that breeds on the main Japanese islands (James 1988; Nagai et al. 2020).
Collared Owlet	Taenioptynx brodiei pardalotum	Taenioptynx brodiei pardalotus	TAX	Correct gender ending from neuter to masculine (N. David pers. comm.).
Sunda Owlet	Taenioptynx sylvaticum sylvaticum. Taenioptynx sylvaticum borneense	Taenioptynx sylvaticus sylvaticus, Taenioptynx sylvaticus borneensis	TAX	Correct gender ending from neuter to masculine (N. David pers. comm.).
Moluccan Scops Owl	Otus magicus	Add subspecies bouruensis.	TAX	Recognize O. m. bourensis as a subspecies distinct from O. m. magicus (Eaton et al. 2021).
Sulawesi Scops Owl	Otus manadensis kalidupae	Otus magicus kalidupae	TAX	Reassign subspecies kalidupae from Sulawesi Scops Owl Otus manadensis to Moluccan Scops Owl O. magicus based on vocalizations following Eaton et al. (2021).
Philippine Dwarf Kingfisher	Ceyx melanurus mindanensis	Ceyx melanurus platenae	TAX	Change subspecies epithet from mindanensis Steere, 1890 to platenae Blasius, 1890 (Rand 1955).
African Green Bee-eater	Merops viridissimus	Add subspecies flavoviridis.	ADD	Add following Fry et al. (2020).
Northern Sooty Woodpecker	Mulleripicus funebris	Add subspecies mayri and parkesi.	ADD	Winkler & Christie (2002); Allen (2020).
Coconut Lorikeet	Trichoglossus haematodus	Add subspecies caeruleiceps and micropteryx.	ADD	Subspecies caeruleiceps and micropteryx are restored based on phylogenetic analysis (Smith et al. 2020; Joseph et al. 2020; contra Beehler & Pratt 2016).
Urubamba Antpitta	Grallaria occabambae	Add newly described subspecies marcapatensis and the nominate subspecies.	ADD	New subspecies: Isler & Chesser, 2020. Distinct from nominate occabambae by slight vocal and genetic differences below species threshold (Isler et al. 2020).
Thick-billed Berrypecker	Rhamphocharis crassirostris	Add subspecies interposita.	TAX	Recognize following Beehler & Pratt (2016) and Gregory (2017).
Tickell's Leaf Warbler	Phylloscopus affinis	Add subspecies occisinensis.	TAX	Formerly treated as a distinct species, Phylloscopus occisinensis is relumped with P. affinis based on bioacoustic, morphological and genomic data. Treat as a subspecies (Zhang et al. 2019).
Graceful Prinia	Prinia gracilis	Add newly described subspecies P. g. ashi. Synonymize subspecies carlo with gracilis and subspecies irakensis with lepida.	NEW, TAX	Alström et al. (2021); Shirihai & Svensson (2018).
Black-fronted White-eye	Zosterops chrysolaemus	With split from Z. minor transfer subspecies chrysolaemus, gregarius and delicatulus to this species. Merge subspecies tenuifrons with chrysolaemus and subspecies pallidogularis with delicatulus.	TAX	Beehler & Pratt (2016); Gregory (2017).
Happy Wren	Pheugopedius felix	Synonymize subspecies magdalenae with subspecies lawrencii.	DEL	Stager (1957); Grant (1965).
Indian Pied Myna	Gracupica contra	Synonymize subspecies sordida with the nominate subspecies.	DEL	Baveja et al. (2020).
Dunnock	Prunella modularis	Synonymize subspecies meinertzhageni with the nominate subspecies.	DEL	Shirihai & Svensson (2018); Pavia et al. (2021).
Berthelot's Pipit	Anthus berthelotii	Add subspecies madeirensis and the nominate subspecies.	ADD	Shirihai & Svensson (2018).
White-winged Grosbeak	Mycerobas carnipes	Merge subspecies merzbacheri with the nominate subspecies.	TAX	Clement et al. (1993); Clement (2006).

IOC Version 11.1 (January 20, 2021)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Chapman's Swift	Chaetura chapmani	Add subspecies viridipennis and the nominate subspecies.	TAX	With merger of Mato Grosso Swift with Chapman's Swift C. viridipennis is treated as a subspecies of C. chapmani (Chesser et al. 2018; SACC 841).
Schalow's Turaco	Tauraco schalowi	Add subspecies chalcolophus, loitanus, marungensis and the nominate subspecies.	TAX	These phenotypically cryptic, but genetically well differentiated taxa are resurrected as phylogenetic species by Perktaş et al. (2020). Treated as subspecies here.
Black-tailed Godwit	Limosa limosa	Add subspecies bohaii.	NEW	Newly described subspecies: Zhu, Piersma, Verkuil & Conklin, 2020.
Gentoo Penguin	Pygoscelis papua	Add subspecies taeniata and poncetii.	TAX, PHY, NEW	Subspecies taeniata is resurrected for the "eastern" clade of Gentoo Penguins (Tyler et al. 2020; Pertierra et al. 2020). The population on Kerguelen I. is tentatively included in this subspecies following Tyler et al. (2020), but it may be subspecifically distinct (Pertierra et al. 2020). Subspecies poncetii is a newly described subspecies restricted to South Georgia (Tyler et al., 2020). Appropriate gender ending of name under review. Ranges of all subspecies revised.
Manx Shearwater	Puffinus puffinus	Add subspecies canariensis and the nominate subspecies.	NEW	Subspecies canariensis is newly described (Rodriguez, A et al., 2020).
"Ornate" (Elegant) Pitta	Pitta (elegans) concinna	Synonymize subspecies hutzi with concinna.	DEL	Erritzoe & de Juana (2020).
(Southern) Rufous-winged Antwren	Herpsilochmus rufimarginatus	Synonymize subspecies scapularis with the nominate subspecies rufimarginatus.	DEL	This applies to populations of "scapularis" south of the Rio São Francisco. Populations formerly attributed to "scapularis" north of that river are vocally similar to H. frater and are subsumed into ssp. frater of that species (SACC 870).
Western Fire-eye	Pyriglena maura	Move subspecies interposita to East Amazonian Fire-eye Pyriglena leuconota.	TAX	Subspecies interposita mistakenly attributed to P. maura in 10.2.
Australian Golden Whistler	Pachycephala pectoralis	Move subspecies fuliginosa from Australian Golden Whistler to Western Whistler which becomes biphyletic (see Taxonomic Updates).	TAX, PHY	Joseph et al. (2020).
Copperback Quail-thrush	Cinclosoma clarum	Add subspecies morgani.	ADD	Black et al. (2019).
Rufous Shrikethrush	Colluricincla rufogaster	Replace subspecies goodsoni with normani.	TAX	Subspecies goodsoni is a junior synonym of normani (Schodde pers. comm.).
Red-capped Lark	Calandrella cinerea	Add newly described subspecies rufipecta.	NEW	Newly described (Stervander, Hansson, Olsson, Hulme, Ottosson & Alström, 2020).
Mediterranean (Lesser) Short-toed Lark	Alaudala rufescens	Synonymize subspecies polatzeki with the nominate subspcies. Synonymize subspecies nicolli with minor.	TAX	Alström et al. (2020).
Turkestan Short-toed Lark	Alaudala heinei	Synonymize subspecies pseudobaetica with heinei.	TAX	Alström et al. (2020).
Asian Short-toed Lark	Alaudala cheleensis	Synonymize subspecies seebohmi, beicki, stegmanni and tangutica with kukunoorensis.	TAX	Alström et al. (2020).
Little Rush Warbler	Bradypterus baboecala	Move subspecies sudanensis to Highland Rush Warbler B. centralis.	TAX	Assignment of this form to B. centralis is based on unpublished analysis of vocalizations (Redman, in litt.).
Song Wren	Cyphorhinus phaeocephalus	Add subspecies infuscatus.	ADD	(Wetmore et al. 1984; Kroodsma & Brewer 2005; Brewer 2001).
Black Redstart	Phoenicurus ochruros	Add newly described subspecies murinus.	ADD	Fedorenko, 2018.
Streak-headed Mannikin	Lonchura tristissima	Change spelling of subspecies bigilalai to bigilalei.	TAX	Correct error in spelling. Subspecies epithet was originally described as bigilalae. Emended to bigilalei by Snow (1997). Followed here.
Mountain Serin	Chrysocorythus estherae	Restore original subspecies epithet orientalis for C. e. chaseni.	TAX	The name chaseni Kinzelbach, Dickinson & Somadikarta, 2009 was required as a replacement name for Serinus estherae orientalis, Chasen, 1940 to avoid synonymy with Serinus orientalis Brehm, 1831. With move of Mountain Serin to Chrysocorythus, Chasen's original name is restored.
IOC Version 10.2 (July 25, 2020)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Tullberg's Woodpecker	Campethera tullbergi	Move subspecies taeniolaema and hausburgi to newly split Fine-banded Woodpecker C. taeniolaema.	TAX	Fuchs et al. (2017).
Red-tailed Black Cockatoo	Calyptorhynchus banksii	Add newly described subspecies escondidus. Delete subspecies macrorhynchus which is treated as a junior synonym of the nominate subspecies.	ADD, DEL	Ewart et al. (2020).
Rufous (Striated) Grasswren	Amytornis (striatus) whitei	Add newly described subspecies parvus and aenigma.	ADD	Newly described subspecies: Black, 2020.
Striated Grasswren	Amytornis striatus	Add resurrected subspecies howei.	ADD	Black et al. (2020a,b)
Hair-crested Drongo	Dicrurus hottentottus	Restore subspecies termeuleni. Move subspecies samarensis and striatus to D. balicassius.	ADD, TAX	Eaton et al. (2016). Shakya et al. (2020).
Sumatran Drongo	Dicrurus sumatranus	Move subspecies viridinitens to Hair-creasted Drongo, D. hottentottus.	TAX	Move ssp. viridinitens from D. sumatranus to D. hottentottus (Shakya et al. 2020). Considered a separate species, Mentawai Spangled Drongo, by Eaton et al. (2016)
American Crow	Corvus brachyrhynchos	Add subspecies caurinus.	ADD	With merger of Northwestern Crow C. caurinus with American Crow C. brachyrhynchos, caurinus is treated as a subspecies of the latter.
Pacific Robin	Petroica pusilla	Move subspecies septentrionalis, kulambangrae, dennisi and polymorpha to Solomons Robin P. polymorpha with split of that species.	TAX	(Kearns et al. 2015; Kearns et al. 2020)
Penan (Ochraceous) Bulbul	Alophoixus (ochraceus) ruficrissus	Add subspecies meratusensis	ADD	Newly described subspecies: Shakya et al., 2020.
Mountain Tailorbird	Phyllergates cucullatus	Add subspecies sulanus and relictus.	ADD	Newly described subspecies: Rheindt et al., 2020.
Island Leaf Warbler	Phylloscopus poliocephalus	Add subspecies suaramerdu and emilsmalimi.	ADD	Newly described as full species: Rheindt et al., 2020. Tentatively add as subspecies of P. poliocephalus pending evaluation of revision of the entire species complex
Sulawesi Babbler	Pellorneum (Trichastoma) celebense	Delete subspecies sordida.	DEL	Subspecies sordida is merged with subspecies rufofuscum (Collar & Robson 2020; Eaton et al. 2016).
Eyebrowed Wren-Babbler	Napothera epilepidota	Add subspecies lucilleae.	ADD	Resurrected to apply to the lower montane form on Sumatra (Shakya et al. 2020).
Island Thrush	Turdus poliocephalus	Add subspecies sukahujan.	ADD	Newly described subspecies: Rheindt et al., 2020.
Sulawesi Blue Flycatcher	Cyornis omissus	Add subspecies omississimus.	ADD	Newly described subspecies: Rheindt et al., 2020.
Snowy-browed Flycatcher	Ficedula hyperythra	Add subspecies betinabiru.	ADD	Newly described subspecies: Rheindt et al., 2020.
IOC Version 10.1 (Jan 25, 2020)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Gould's Petrel	Pterodroma leucoptera	Delete subspecies caledonica and the nominate subspecies.	DEL	Treat as monotypic. Portelli 2016, Iglesias-Vasquez et al 2016.
Chestnut-naped Spurfowl	Pternistis castaneicollis	Delete subspecies ogoensis and kaffanus.	DEL	Treat as monotypic. Mandiwana-Neudani et al. 2019.
Scaly Spurfowl	Pternistis squamatus	Delete subspecies usambarae, uzungwensis and doni.	DEL	Subspecies usambarae, uzungwensis and doni are tentatively synonymized with subspecies schuetti. Mandiwana-Neudani et al. 2019.
Ahanta Spurfowl	Pternistis ahantensis	Delete subspecies hopkinsoni.	DEL	Treat as monotypic. Mandiwana-Neudani et al. 2019.
Hildebrandt's Spurfowl	Pternistis hildebrandti	Delete subspecies altumi.	DEL	Subspecies altumi is included in the nominate subspecies. Mandiwana-Neudani et al. 2019.
Natal Spurfowl	Pternistis natalensis	Delete subspecies neavei.	DEL	Treat as monotypic. Mandiwana-Neudani et al. 2019.
Red-billed Spurfowl	Pternistis adspersus	Delete subspecies mesicus.	DEL	Treat as monotypic. Mandiwana-Neudani et al. 2019.
Double-spurred Spurfowl	Pternistis bicalcaratus	Add subspecies adamauae. Delete subspecies ogilviegranti.	ADD, DEL	Subspecies adamauae includes ogilviegranti. Mandiwana-Neudani et al. 2019.
Clapperton's Spurfowl	Pternistis clappertoni	Delete koenigseggi, heuglini, nigrosquamatus and gedgii	DEL	Subspecies koenigseggi, heuglini, nigrosquamatus and gedgii are included in the nominate subspecies. Mandiwana-Neudani et al. 2019.
Yellow-necked Spurfowl	Pternistis leucoscepus	Add subspecies infuscatus.	ADD	Mandiwana-Neudani et al. 2019.
Swainson's Spurfowl	Pternistis swainsonii	Delete subspecies lundazi and the nominate subspecies.	DEL	Treat as monotypic. Mandiwana-Neudani et al. 2019.
Red-necked Spurfowl	Pternistis afer	Add subspecies humboldtii. Delete subspecies leucoparaeus, melanogaster and swynnertoni. Delete subspecies harterti.	ADD, DEL	Subspecies harterti is included in cranchii. Subspecies humboldtii includes leucoparaeus, melanogaster and swynnertoni. Mandiwana-Neudani et al. 2019.
Zeledon's Antbird	Hafferia zeledoni	Change subspecies epithet of macrorhyncha back to berlepschi.	TAX	With change of genus to Hafferia from Myrmeciza, and Stub-tailed Antbird back to Sipia, replacement name, macrorhyncha, is no longer required. Subspecies epithet reverts to original name, berlepschi. Dickinson & Christidis 2014.
White-eared Honeyeater	Nesoptilotis leucotis	Add subspecies depauperata and newly described subspecies schoddei.	ADD	Black 2019
Himalayan [Striated] Prinia	Prinia crinigera	Replace subspecies assamica with subspecies yunnanensis which has priority. Move subspecies striata, catharia and parumstriata to newly split Swinhoe's Prinia, P. striata.	TAX	Alström et al. 2019
Swinhoe's [Striated] Prinia	Prinia striata	Delete subspecies parvirostris.	TAX	Subspecies parvirostris is treated as a junior subjective synonym of catharia. Alström et al. 2019
Deignan's [Brown] Prinia	Prinia polychroa	Add newly described subspecies deignani. Move subspecies bangsi to Himalayan Prinia.	ADD	Alström et al. 2019
Grey-throated Babbler	Stachyris nigriceps	Add subspecies spadix.	ADD	Collar & Robson 2007, Robson 2000, (P. Rasmussen, F Rheindt, in litt).
IOC Version 9.2 (June 22, 2019)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Stipple-throated Antwren	Epinecrophylla haematonota	Add nominate subspecies with merger of pyrrhonota and fjeldsaai with this species.	TAX
Arafura (Little) Shrikethrush	Colluricincla megarhyncha	Includes nominate megarhncha and subspecies parvula. Add subspecies aruensis. Delete subspecies batantae.	TAX, PHY, ADD, DEL.	Marki et al 2018, Schodde pers. com. Subspecies batantae included in the nominate subspecies (Schodde pers. comm).
Variable (Little) Shrikethrush	Colluricincla (megarhyncha) fortis	Includes subspecies fortis and despecta. Add subspecies trobriandi. Delete subspecies neos and superflua which are synonymized with despecta.	TAX, PHY, ADD, DEL.	Marki et al 2018, Schodde pers. com. C. f. trobriandi was formerly included in ssp fortis (Beehler & Pratt 2016) but recognized by Schodde (pers. com.).
Mamberamo (Little) Shrikethrush	Colluricincla (megarhyncha) obscura	Includes subspecies obscura and hybridus.	TAX, PHY	Marki et al 2018
Sepik-Ramu (Little) Shrikethrush	Colluricincla (megarhyncha) tappenbecki	Includes subspecies tappenbecki, madaraszi and maeandrina.	TAX, PHY	Marki et al 2018
Rufous (Little) Shrikethrush	Colluricincla (megarhyncha) rufogaster	Includes subspecies rufogaster, goodsoni and griseata. Delete subspecies synaptica and gouldi which are included in the nominate subspecies and subspecies aelptes and normani which are included in subspecies goodsoni.	TAX, PHY, DEL	Marki et al 2018, Schodde pers. com.
Green Jay	Cyanocorax luxuosus	Delete subspecies cozumelae.	DEL	Invalid taxon. Phillips 1986
Cream-vented Bulbul	Pycnonotus simplex	Add subspecies perplexus.	ADD	Includes oblitus (Shakya et al 2019, but see Eaton et al 2016).
Pale-breasted Thrush	Turdus leucomelas	Add subsp. nov. upichiarum.	ADD	Stiles and Avendaño, 2019
Hainan Blue Flycatcher	Cyornis hainanus	Add nominate subspecies with transfer of klossi to this species.	TAX
Blue-throated Blue Flycatcher	Cyornis rubeculoides klossi	Move subspecies klossi from C. rubeculoides to C. hainanus, Hainan Blue Flycatcher.	TAX, PHY	Despite phenotypic differences, klossi is a subspecies of Cyornis hainanus, not Cyornis rubeculoides (Zhang et al. 2016, Gwee et al. 2019)
Pale Blue Flycatcher	Cyornis unicolor harterti	Cyornis unicolor cyanopolia	TAX	Complex nomenclatural problem. Use of subspecific epithet cyanopolia Blyth, 1870 rather than infuscatus Hartert, 1902 or harterti Robinson & Kinnear, 1928 follows Mlikovský 2011.
Javan Blue Flycatcher	Cyornis banyumas	Add subspecies mardii. Move subspecies whitei, lekhakuni, deignani andcoerulifrons to newly split C. whitei which retains the English name of Hill Blue Flycatcher.	ADD, TAX	Gwee et al 2019, Eaton et al 2016.
Tickell's Blue Flycatcher	Cyornis tickelliae	Move subspecies sumatrensis, indochina and lamprus to newly split Indochinese Blue Flycatcher, C. sumatrensis.	TAX	Gwee et al 2019.
Mangrove Blue Flycatcher	Cyornis rufigastra blythi; Cyornis rufigastra peromissus.	Revise subspecies epithet of C. r. blythi to C. r. simplex. Move subspecies peromissus to Sulawesi Blue Flycatcher, C. omissus.	TAX	Replacement name blythi Giebel, 1875 not required since simplex Blyth 1870 is not preoccupied within Cyornis. Clement & Christie, 2019. Ressignment of peromissus to C. omissus based on Gwee et al 2019, Eaton et al 2016, del Hoyo, Collar & Christie 2019.
Sulawesi Blue Flycatcher	Cyornis omissus	Add nominate subspecies with transfer of subspecies peromisus to this species.	TAX
Long-billed Pipit	Anthus similis	Move subspecies palliditinctus, leucocraspedon, nicholsoni, petricolus, and primarius to newly split Nicholson's Pipit, A. nicholsoni.	TAX, PHY	Pietersen et al. 2018
Black-and-white Mannikin	Lonchura bicolor	Reassign subspecies woltersi to Red-backed Mannikin, Lonchura nigriceps.	TAX	Sinclair & Ryan. 2003. Payne, 2019.
Red-backed Mannikin	Lonchura nigriceps	Add nominate subspecies with transfer of subspecies woltersi to this species.	TAX	Sinclair & Ryan. 2003. Payne, 2019.
IOC Version 9.1 (Jan 20, 2019)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
South Georgia Diving Petrel	Pelecanoides georgicus	Add subsp. nov. whenuahouensis	ADD	Proposed new species based on minor morphological differences (Fischer et al. 2018). Treat as subspecies
Spotted Nothura	Nothura maculosa	Add subspecies chacoensis	ADD	Treat N. chacoensis as a subspecies of Spotted Tinamou (Hayes et al. 2018, SACC 782)
Mascarene Swiftlet	Aerodramus francicus	Add subsp. nov. saffordi and the nominate subspecies.	ADD	Kirwan, Shirihai & Schweizer, 2018

Dark Newtonia	Newtonia amphichroa	Add subsp. nov. lavarambo and the nominate subspecies.	ADD	Subsp. nov. lavarambo was described as a phylogentic species. Here treated as a subspecies. Younger et al., 2018
Spotted [White-fronted] Scrubwren	Sericornis [frontalis] maculatus	Move subspecies ashbyi, mellori, maculatus and balstoni to newly split Spotted Scrubwren	TAX	Norman et al. 2018
Great Grey Shrike	Lanius excubitor	Add subspecies pallidirostris.	ADD, TAX, PHY	Steppe Grey Shrike, L. pallidirostris, is merged with Great Grey Shrike pending revison of the L. excubitor species complex. Olsson et al. 2010, HBW, H&M4, Clements.
Fork-tailed Drongo	Dicrurus adsimilis	Add subpecies jubaensis.	ADD	Fuchs et al. 2017
Glossy-backed Drongo	Dicrurus [adsimilis] divaricatus	Add subspecies lugubris.	ADD	Fuchs et al. 2017
Ashy Tailorbird	Orthotomus ruficeps	Add subsp. nov. germaini	ADD	Fuchs & Zuccon, 2018
Japanese White-eye	Zosterops japonicus	Delete subspecies yesoensis. Move subspecies simplex and hainanus to newly recognized Swinhoe's White-eye.	DEL, TAX, PHY	Subspecies yesoensis is included in the nominate subspecies. van Balen, 2008. Move ssp. simplex and hainanus to newly recognized Swinhoe's White-eye. Lim et al. 2018.
Oriental White-eye	Zosterops palpebrosus	Move subspecies williamsoni and resurrected subsp. erwini to newly recognized Swinhoe's White-eye. Move redefined auriventer to newly recognized Hume's White-eye. Move subspecies melanurus and buxtoni to newly recognized Sangkar White-eye. Move subspecies unicus to Ashy-bellied White-eye.	TAX, PHY	Subspecies revisions follow Lim et al. 2018. Subspecies erwini is regarded as distinct from subspecies auriventer with which it was formerly synonymized, and subspecies auriventer (ss) is redefined. Wells, 2017.
Everett's White-eye	Zosterops everetti	Move subspecies tahanensis and wetmorei to newly recognized Hume's White-eye. Recognize Bornean population as distinctive subspecies medius.	TAX	Sundaic populations formerly assigned to Everett's White-eye are redefined as Hume's White-eye making revised Everett's White-eye a Philippine endemic. Wells, 2017.
Abyssinian White-eye	Zosterops abyssinicus	Elevate subspecies socotranus to species level, Socotra White-eye. Move subspecies flavilateralis and jubaensis to newly split species, Pale White-eye.	TAX, PHY	Cox 2013, Cox et al 2014, Pearson & Turner 2017
Montane White-eye	Zosterops poliogastrus	Elevate subspecies mbuluensis and winifredae to species level (Mbulu White-eye and South Pare White-eye). Elevate subspecies eurycricotus to species level (Broad-ringed White-eye).	TAX, PHY	Cox 2013, Cox et al 2014, Pearson & Turner 2017
Malagasy White-eye	Zosterops maderaspatanus	Elevate subspecies aldabrensis to species level.	TAX, PHY	Cox et al 2014
African Yellow White-eye	Zosterops senegalensis	Split subspecies anderssoni, tongensis, and stierlingi as Southern Yellow White-eye, Z. anderssoni. Split subspecies stuhlmanni, reichenowi andtoroensis as Green White-eye, Z. stuhlmanni. Recognize subspecies scotti as a subspecies of Green White-eye.	TAX, PHY	Cox 2013, Cox et al 2014, Pearson & Turner 2017
Rock Wren	Salpinctes obsoletus	Delete subspecies pulverius and proximus.	DEL	Subspecies pulverius and proximus are included in the nominate subspecies. Kroodsma & Brewer, 2018. Hellmayr & Conover, 1942-1949.
Common Chaffinch	Fringilla coelebs	Add subsp. nov. bakeri.	ADD	Illera et al. 2018. Suárez et al. 2009. Formerly included in canariensis.
Great-billed Seed Finch	Oryzoborus maximiliani	Delete subspecies magnirostris (parkesi).	DEL	Treat as monotypic. Ubaid et al 2017.
IOC Version 8.2 (June 27, 2018)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Andean Duck	Oxyura ferruginea	Add subspecies andina and the nominate subspecies.	ADD	Subspecies andina is of variable plumage intermediate between O. jamaicensis and O. ferruginea. Here treated as a subspecies of hybrid origin. See Lozano-Jaramillo et al, 2018. Assigned to O. ferruginea following Hilty & Brown, 1986, Ridgely & Greenfield, 2001.
Brown-fronted Woodpecker	Dendrocoptes auriceps	Delete subspecies incognitus and the nominate subspecies.	DEL	Treat as monotypic. Winkler & Christie, 2002.
Little Shrikethrush	Colluricincla megarhyncha	Revise sequence and proposed PS subspecies groups. Add subspecies neos.	ADD	Marki et al 2018
Iberian [Southern] Grey Shrike	Lanius meridionalis	Move subspecies koenigi, algeriensis, elegans, leucopygos, aucheri, theresae, buryi, uncinatus, and lahtora to Lanius excubitor	TAX	Treat as monotypic. Olsson et al 2010, HBW. Iberian Grey Shrike
Oriental Magpie	Pica [pica] serica	Add subspecies anderssoni.	ADD	Subspecies anderssoni regcognized in this update is assigned to Oriental Magpie. Song et al 2018.
Greater Lophorina	Lophorina superba	Add subspecies addenda. Delete subspecies feminina.	ADD	Recognize addenda as a distinct subspecies. With its neotypification, subspecies epithet superba replaces feminina which becomes a synonym. See Irestedt et al 2017. See Taxonomic Updates.
Crescent-caped Lophorina	Lophorina niedda	Add subspecies inopinata.	ADD	Subsp. nov. New name required to apply to the Vogelkop subspecies of Lophorina from the Doberai Peninsula which would lack a name with the reassignment of the name superba to the Lophorina of the western cordillera. Irestedt et al. 2017
Sand Martin	Riparia riparia	Delete subspecies innominata and eilata.	DEL	Subspecies innominata is included in the nominate subspecies. Subspecies eilata is included in shelleyi. Schweizer et al 2018.
Pale Martin	Riparia diluta	Delete subspecies gavrilovi and transbaykalica.	DEL	Subspecies gavrilovi and transbaykalica are included in the nominate subspecies. Schweizer et al 2018.
Black-throated Bushtit	Aegithalos concinnus	Add subspecies rubricapillus.	ADD	Päckert, Martens & Sun. 2010, Rasmussen & Anderton 2012.
Japanese Bush Warbler	Horornis diphone	Move subspecies canturians to Manchurian Bush Warbler.	TAX	Kennerley & Pearson, 2010, Alström et al. unpubl.
Buff-barred Warbler	Phylloscopus pulcher	Add subspecies vegetus.	ADD	Päckert et al 2014
Arctic Warbler	Phylloscopus borealis	Delete subspecies kennicotti and the nominate subspecies.	TAX	Treat as monotypic. Alström et al 2011.
Grey-hooded Warbler	Phylloscopus xanthoschistos	Add subspecies albosuperciliaris.	ADD	Madge 2006, Rasmussen & Anderton 2012.
Kloss's Leaf Warbler	Phylloscopus ogilviegranti intensior	Phylloscopus intensior intensior	TAX	Move subspecies intensior from Kloss's Leaf Warbler to Davison's Leaf Warbler. Clement & Christie 2018.
Davison's Leaf Warbler	Phylloscopus davisoni	Phylloscopus intensior muleyitensis	TAX	Subspecies epithet muleyitensis is a nom. nov. to replace the epithet davisoni which is preoccupied by Phylloscopus montis davisoni with merging of Seicercus and Phylloscopus. Dickinson & Christidis, 2014
Timor Leaf Warbler	Phylloscopus presbytes floris	Phylloscopus presbytes floresianus	TAX	Subspecies epithet floresianus is a nom.nov. to replace floris which is preoccupied by P. montis floris with merging of Seicercus and Phylloscopus.Dickinson & Christidis, 2014
White-spectacled Warbler	Seicercus affinis affinis	Phylloscopus intermedius zosterops	TAX	Change subspecies epithet from afffinis to ssp nov. zosterops with merging of Seicercus and Phylloscopus. del Hoyo and Collar 2016
White-spectacled Warbler	Seicercus affinis	Add subspecies ocularis.	TAX	Add: Rheindt 2006. Revised scientific name is Phylloscopus intermedius ocularis with merging of Seicercus and Phylloscopus.
Yellow-breasted Warbler	Seicercus montis inornatus	Phylloscopus montis barisanus	TAX	Subspecies epithet barisanus is a replacement name for inornatus which is preoccupied with the merger of Seicercus into Phylloscopus. del Hoyo & Collar, 2016
Henna-tailed Jungle Flycatcher	Cyornis colonus	Delete subspecies subsolanus.	DEL	Subspecies subsolanus is regarded as an invalid taxon. Presence of C. colonus on Sulawesi was an erroneous assumption probably based on incorrect museum label information. Garg et al 2018, Eaton et al 2016.
Eastern Yellow Wagtail	Motacilla tschutschensis	Restore subspecies plexa and reassign from M. flava to M. tschutschensis.	ADD	Harris et al 2018
IOC Version 8.1 (Jan 25, 2018)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Cackling Goose	Branta hutchinsii	Delete subspecies asiatica.	DEL	Extinct subspecies asiatica is synonymous with leucopareia. Mowbray et al 2002.
Australasian Shoveler	Spatula rhynchotis	Delete subspecies variegata and the nominate subspecies.	DEL	Treat as monotypic. Gill et al 2010.
Eurasian Teal	Anas crecca	Delete subspecies nimia and the nominate subspecies.	DEL	Treat as monotypic. Sangster et al 2001, Carboneras et al 2017.
Hardhead	Aythya australis	Delete subspecies extima and the nominate subspecies.	DEL	Treat as monotypic. Carboneras & Kirwan 2017.
Ruddy Duck	Oxyura jamaicensis	Delete subspecies rubida and the nominate subspecies.	DEL	Subspecies rubida is weakly differentiated and may not be diagnosible. Treat as monotypic. Carboneras & Kirwan 2017.
Speckled Chachalaca	Ortalis guttata	Add subspecies remota.	ADD	Proposed as a distinct species. Tentatively treat as a subspecies of O. guttata for now. Silveira et al. 2017.
Short-toed Snake Eagle	Circaetus gallicus	Add subspecies sacerdotis and the nominate subspecies.	ADD	Subspecies sacerdotis is recently described. Ng et al 2017.
Black-backed Swamphen	Porphyrio indicus viridis	Porphyrio poliocephalus viridis	TAX	"The taxonomic status of populations in South-East Asia [treated as subspecies viridis] is complex and poorly understood" (Sangster, 1998). It is a variable form “intermediate between poliocephalus and indicus resembling the former in the color of the head and neck and the latter in other plumage” (Taylor, 1998). They are individually variable in regards to mantle color and the degree of grey on the sides of the head (Wells, 1999). Traditionally associated with the “indicus” group (i.e. Roselaar in Cramp et al, 1980; Ripley, 1977; Sangster, 1998, Garcia-R. and Trewick, 2015), but many individuals are inseparable in the field from poliocephalus and most more closely resemble poliocephalus than indicus. Thus, assignment to indicus would seem arbitrary based merely on phenotypic characteristics. No specimens from southeast Asia were included in the recent genetic study of this group (Garcia-R. and Trewick, 2015). Tentatively treated here as a subspecies of poliocephalus pending more definitive studies. Porphyrio indicus becomes monotypic.
Sooty Tern	Onychoprion fuscatus	Delete subspecies kermadeci.	DEL	Subspecies kermadeci is included in serratus. Gill et al 2010.
Roraiman Screech Owl	Megascops roraimae	Add subspecies pallidus and the nominate subspecies.	ADD	Subspcies pallidus is recognized in Krabbe, 2017.
Great Potoo	Nyctibius grandis	Delete subspecies guatemalensis and the nominate subspecies.	DEL	Treat as monotypic. Cleere, 1998.
Grey-breasted Sabrewing	Campylopterus largipennis	Add subspecies calcirupicola.	ADD	Proposed as a distinct species. Tentatively treat as a subspecies of C. largipennis for now. Lopes et al. 2017.
Bronze-tailed Plumeleteer	Chalybura urochrysia intermedia	Chalybura buffonii intermedia	TAX	Tentatively repositioned as a subspecies of C. buffoni instead of urochrysia. (Ridgely & Greenfield 2001).
Rufous Fieldwren	Calamanthus campestris rubiginosis	Calamanthus campestris rubiginosus	TAX	The spelling in the original description "rubiginosis" is a misspelled Latin word and must be corrected to "rubiginosus" following H&M4
Rufous-vented Prinia	Laticilla burnesii nepalicola	Laticilla burnesii nipalensis	TAX	Correct from nepalicola to original spelling of subspecies epithet. The original name, Prinia burnesii nipalensis Baral et al., 2007, is a secondary homonym rejected after 1960 and must be reinstated when assigned to Laticilla . Raty in litt., Schodde in litt. Contra Dickinson & Christidis 2014.
Rufous-browed Wren	Troglodytes rufociliatus	Add subspecies chiapensis.	ADD	Kroodsma & Brewer 2005
Eurasian Treecreeper	Certhia familiaris brittanica	Certhia familiaris britannica	TAX	The spelling in the original description "brittanica" is a misspelled Latin word and must be corrected to "britannica" following H&M4 Vol. 2, Appendix 8.
Rufous-tailed Jungle Flycatcher	Cyornis ruficauda occularis	Cyornis ruficauda ocularis	TAX	The spelling in the original description "occularis" is a misspelled Latin word and must be corrected to "ocularis" following H&M4 Vol. 2, Appendix 8.
White-bellied Blue Robin	Sholicola albiventris	Add subspecies ashambuensis.	TAX, ADD	Proposed as a distinct species. Tentatively treat as a subspecies of albiventris for now. Robin et al, 2017.
Comoros Fody	Foudia eminentissima cosobrina	Foudia eminentissima consobrina	TAX	The spelling in the original description "cosobrina" is a misspelled Latin word and must be corrected to "consobrina" following H&M4 Vol. 2, Appendix 8.
Yellowish Pipit	Anthus lutescens	Subspecies parvus includes "abariensis".	TAX	Tentatively includes "abariensis" from northern South America, formerly considered part of the nominate subspecies. Ranges of both parvus and the nominate adjusted to reflect this new arrangement. Van Els and Norambuena 2017.
Prevost's Ground Sparrow	Melozone biarcuata	Delete subspcies hartwegi and the nominate subspecies.	DEL	Treat as monotypic. Sandoval et al. 2014.
Black-and-chestnut Warbling Finch	Poospiza whitii	Delete subspcies wagneri and the nominate subspecies.	DEL	Treat as monotypic. Jordan et al. 2017
IOC Version 7.3 (July 31, 2017)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Rusty-margined Guan	Penelope superciliaris	Add subspecies pseudonyma.	ADD	Previously included in the nominate subspecies. Evangelista-Vargas et al, 2017.
Fork-tailed Drongo-Cuckoo	Surniculus dicruroides barussarum	Move subspecies barussarum from Fork-tailed Drongo-Cuckoo to Square-tailed Drongo-Cuckoo (S. lugubris) .	TAX	Treatment of barussarum as a subspecies of S. lugubris follows Erritzøe et. al. 2012 and is more compatible with the treatment of that species as described in Rasmussen & Anderton, 2012. (Contra Payne, 2005). The taxonomy of the entire Surniculus complex is tentative and not yet fully resolved.
Tenggara Swiftlet	Collocalia (esculenta) sumbawae	Add subspecies novum sumbae and the nominate subspecies sumbawae.	ADD, TAX	Tenggara Swiftlet C. sumbawae is split from Glossy Swiftlet C. esculenta. Subspecies sumbae is newly described as a split from subspecies sumbawae. Rheindt et al. 2017.
Wallace's Fairywren	Sipodotus wallacii	Delete subspecies coronatus and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt, 2016; Schodde, 1982.
Glossy Swiftlet	Collocalia esculenta	Delete subspecies erwini. Restore subspecies hypogrammica. Add subspecies lagonoleucos.	DEL, ADD	Subspecies erwini is included in nitens. Subspecies hypogrammica was previously included in spilogaster. Subspecies lagonoleucos is newly described. Rheindt et al. 2017.
Cape Starling	Lamprotornis nitens	Delete subspecies phoenicopterus, culminator and the nominate subspecies.	DEL	Treat as monotypic.Hockey et al 2005, Craig & Feare, 2009.
Eastern Bluebird	Sialia sialis	Delete subspecies grata.	DEL	Subspecies grata is included in the nominate subspecies. Gowaty & Plissner 2015, Collar 2005.
Hermit Thrush	Catharus guttatus	Delete subspecies munroi and jewetti. Restore subspecies crymophilus.	DEL, ADD	Subspecies munroi is included in auduboni. Subspecies jewetti is included in slevini. The subspecies taxonomy and allocation of subspecific names within C. guttatus is is unsettled. Until further clarified subspecific taxonomy follows AOU 1957, Clement 2000, Collar 2005 and others.
IOC Version 7.2 (April 22, 2017)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Dwarf Cassowary	Casuarius bennetti papuanus	Casuarius bennetti westermanni	TAX	The use of C. b. westermanni rather than C. b. papuanus for the form from the Vogelkop Peninsula with the white occipital region follows Perron 2011 and Beehler & Pratt 2016. The provenance of the specimen associated with papuanus remains unsettled.
Red-billed Brushturkey	Talegalla cuvieri	Delete subspecies granti and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt, 2016.
Black-billed Brushturkey	Talegalla fuscirostris	Delete subspecies occidentis, aruensis, meyeri, and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt, 2016.
King Quail	Excalfactoria chinensis	Delete subspecies novaeguineae and papuensis.	DEL	Subspecies novaeguineae and papuensis are included in lepida. Beehler & Pratt 2016.
Red-chested Goshawk	Accipiter toussenelii macrocelides	Accipiter toussenelii macroscelides	TAX	Dickinson & Remsen 2013, Dowsett in litt.
Collared Sparrowhawk	Accipiter cirrocephalus	Tentatively reassign subspecies rosselianus from A. cirrocephalus to A. fasciatus.	TAX	Beehler & Pratt 2016. Schodde 2015.
Black-mantled Goshawk	Accipiter melanochlamys	Delete subspecies schistacinus and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Cinnamon Ground Dove	Gallicolumba rufigula	Delete subspecies septentrionalis and orientalis.	DEL	Subspecies septentrionalis and orientalis are included in the nominate subspecies. Beehler & Pratt 2016.
Peaceful Dove	Geopelia placida	Delete subspecies papua.	DEL	Subspecies papua is included in the nominate subspecies. Beehler & Pratt 2016.
Western Crowned Pigeon	Goura cristata	Delete subspecies minor, pygmaea, and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016, Gibbs et al 2001.
Orange-bellied Fruit Dove	Ptilinopus iozonus	Delete subspecies pseudohumeralis.	DEL	Subspecies pseudohumeralis is synonymous with humeralis. Beehler & Pratt 2016.
Beautiful Fruit Dove	Ptilinopus pulchellus	Delete subspecies decorus and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Collared Imperial Pigeon	Ducula mullerii	Delete subspecies aurantia and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Chestnut Forest Rail	Rallicula rubra	Delete subspecies telefolminensis.	DEL	Subspecies telefolminensis is included in klossi. Beehler & Pratt 2016.
Forbes's Forest Rail	Rallicula forbesi	Delete subspecies steini and dryas.	DEL	Subspecies steini and dryas are included in the nominate subspecies. Beehler & Pratt 2016.
Lewin's Rail	Lewinia pectoralis	Delete subspecies capta and insulsa.	DEL	Subspecies capta is included in mayri. Subspecies insulsa is included in alberti. Beehler & Pratt 2016.
Buff-banded Rail	Gallirallus philippensis	Delete subspecies reductus and randi.	DEL	Subspecies reductus is included in lacustris. Subspecies randi is included in mellori. Beehler & Pratt 2016.
Bare-eyed Rail	Gymnocrex plumbeiventris	Delete subspecies hoeveni.	DEL	Subspecies hoeveni is included in the nominate subspecies. Beehler & Pratt 2016.
Spotless Crake	Porzana tabuensis	Delete subspecies richardsoni, edwardi and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Pacific Koel	Eudynamys orientalis	Delete subspecies minimus.	DEL	Subspecies minimus is included in rufiventer. Beehler & Pratt 2016.
Chestnut-breasted Cuckoo	Cacomantis castaneiventris	Delete subspecies arfakianus, weiskei and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Papuan Boobook	Ninox theomacha	Delete subspecies hoedtii.	DEL	Subspecies hoedtii is synonymized with the nominate subspecies. Beehler & Pratt 2016.
Papuan Frogmouth	Podargus papuensis	Delete subspecies rogersi, baileyi and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016, Holyoak 1999b, 2001, Cleere 2010.
Wallace's Owlet-nightjar	Aegotheles wallacii	Delete subspecies manni, gigas and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Mountain Owlet-nightjar	Aegotheles albertisi	Delete subspecies wondiwoi, salvadorii, and the nominate subspecies.	DEL, TAX	Treat as monotypic following Beehler & Pratt 2016 pending additional genetic studies (see Dumbacher et al. 2003).
Mountain Swiftlet	Aerodramus hirundinaceus	Delete subspecies excelsus.	DEL	Subspecies excelsus is included in the nominate subspecies. Beehler & Pratt 2016.
Longuemare's Sunangel	Heliangelus clarisse	Add subspecies verdiscutus.	ADD	Heynen 1999, Restall et al 2006, Hilty 2003.
Shovel-billed Kookaburra	Clytoceyx rex	Delete subspecies imperator and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Blue-winged Kookaburra	Dacelo leachii	Restore subspecies superflua.	ADD	Beehler & Pratt 2016.
Yellow-billed Kingfisher	Syma torotoro	Delete subspecies meeki.	DEL	Subspecies meeki is included in the nominate subspecies. Woodall 2001, Beehler & Pratt 2016.
Mountain Kingfisher	Syma megarhyncha	Delete subspecies wellsi.	DEL	Subspecies wellsi is included in the nominate subspecies. Beehler & Pratt 2016.
Blue-tailed Bee-eater	Merops philippinus	Delete subspecies javanicus, celebensis and salvadorii.	DEL	Treat as monotypic. Fry 2001a, Beehler & Pratt 2016.
Blyth's Hornbill	Rhyticeros plicatus	Delete subspecies ruficollis, jungei, dampieri, harterti, mendanae, and the nominate subspecies.	DEL	Treat as monotypic. Kemp 2001, Beehler & Pratt 2016.
Oriental Hobby	Falco severus	Delete subspecies papuanus and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Modest Tiger Parrot	Psittacella modesta	Delete subspecies subcollaris.	DEL	Subspecies subcollaris is included in collaris. Beehler & Pratt 2016.
Madarasz's Tiger Parrot	Psittacella madaraszi	Delete subspecies major and hallstromi .	DEL	Subspecies major and hallstromi are included in the nominate subspecies. Beehler & Pratt 2016.
Yellow-billed Lorikeet	Neopsittacus musschenbroekii	Delete subspecies major and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Orange-billed Lorikeet	Neopsittacus pullicauda	Delete subspecies alpinus, socialis, and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Coconut Lorikeet	Trichoglossus haematodus	Delete subspecies micropteryx and caeruleiceps.	DEL	Subspecies micropteryx is included in massena . Subspecies caeruleiceps is included in nigrogularis. Beehler & Pratt 2016.
Brown Lory	Chalcopsitta duivenbodei	Delete subspecies syringanuchalis and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Large Fig Parrot	Psittaculirostris desmarestii	Delete subspecies intermedius.	DEL	Subspecies intermedius is included in occidentalis. Beehler & Pratt 2016.
Orange-breasted Fig Parrot	Cyclopsitta gulielmitertii	Delete subspecies ramuensis.	DEL	Subspecies ramuensis is included in amabilis Beehler & Pratt 2016.
Double-eyed Fig Parrot	Cyclopsitta diophthalma	Delete subspecies coccineifrons.	DEL	Subspecies coccineifrons is included in the nominate subspecies. Beehler & Pratt 2016.
Orange-fronted Hanging Parrot	Loriculus aurantiifrons	Delete subspecies batavorum.	DEL	Subspecies batavorum is included in meeki. Beehler & Pratt 2016.
Red-winged Parrot	Aprosmictus erythropterus	Delete subspecies papua.	DEL	Subspecies papua is synonymous with coccineopterus. Beehler & Pratt 2016.
Eclectus Parrot	Eclectus roratus	Delete subspecies aruensis and biaki.	DEL	Subspecies aruensis and biaki are synonymized with polychloros. Beehler & Pratt 2016.
Red-cheeked Parrot	Geoffroyus geoffroyi	Delete subspecies orientalis.	DEL	Subspecies orientalis is included in aruensis. Beehler & Pratt 2016.
Yellow-capped Pygmy Parrot	Micropsitta keiensis	Delete subspecies viridipectus.	DEL	Subspecies viridipectus is included in the nominate subspecies. Beehler & Pratt 2016.
MacGregor's Bowerbird	Amblyornis macgregoriae	Delete subspecies kombok, amati, nubicola and lecroyae.	DEL	Subspecies kombok, amati, nubicola and lecroyae are included in the nominate subspecies. Beehler & Pratt 2016.
Papuan Treecreeper	Cormobates placens	Delete subspecies steini and inexpectata.	DEL	Subspecies steini and inexpectata are included in the nominate subspecies. Beehler & Pratt 2016.
Dusky Myzomela	Myzomela obscura	Delete subspecies aruensis.	DEL	Subspecies aruensis is included in fumata. Beehler & Pratt 2016.
Papuan Black Myzomela	Myzomela nigrita	Delete subspecies meyeri and louisiadensis.	DEL	Subspecies meyeri and louisiadensis are included in the nominate subspecies. Beehler & Pratt 2016.
Spotted Honeyeater	Xanthotis polygrammus	Delete subspecies kuehni and candidior.	DEL	Subspecies kuehni is included in poikilosternos. Subspecies candidior is included in lophotis. Beehler & Pratt 2016.
Tawny-breasted Honeyeater	Xanthotis flaviventer	Delete subspecies philemon.	DEL	Subspecies philemon is included in meyeri. Beehler & Pratt 2016.
New Guinea Friarbird	Philemon novaeguineae	Delete subspecies trivialis.	DEL	Subspecies trivialis is included in the nominate subspecies. Beehler & Pratt 2016.
Long-billed Honeyeater	Melilestes megarhynchus	Delete subspecies stresemanni.	DEL	Subspecies stresemanni is included in vagans. Beehler & Pratt 2016.
Green-backed Honeyeater	Glycichaera fallax	Delete subspecies poliocephala.	DEL	Subspecies poliocephala is included in the nominate subspecies. Beehler & Pratt 2016.
Leaden Honeyeater	Ptiloprora plumbea	Delete subspecies granti and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Rufous-backed Honeyeater	Ptiloprora guisei	Delete subspecies umbrosa and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Plain Honeyeater	Pycnopygius ixoides	Delete subspecies cinereifrons.	DEL	Subspecies cinereifrons is synonymized with the nominate subspecies. Beehler & Pratt 2016.
Marbled Honeyeater	Pycnopygius cinereus	Delete subspecies dorsalis.	DEL	Subspecies dorsalis is included in the nominate subspecies. Beehler & Pratt 2016.
Olive Straightbill	Timeliopsis fulvigula	Delete subspecies fuscicapilla.	DEL	Subspecies fuscicapilla is included in meyeri. Beehler & Pratt 2016.
Black-throated Honeyeater	Caligavis subfrenata	Delete subspecies melanolaema, utakwensis, salvadorii and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Obscure Honeyeater	Caligavis obscura	Delete subspecies viridifrons and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Sooty Melidectes	Melidectes fuscus	Delete subspecies occidentalis and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Cinnamon-browed Melidectes	Melidectes ochromelas	Delete subspecies batesi, lucifer and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Yellow-browed Melidectes	Melidectes rufocrissalis	Add subspecies stresemanni.	ADD	Subspecies stresemanni is recognized as a valid subspecies of hybrid origin with fixed, stable phenotypic characteristics. Traditionally placed within M. belfordi, but plumage characteristics agree more closely with M. rufocrissalis. Beehler & Pratt 2016. (see Mayr & Gilliard, 1952).
Belford's Melidectes	Melidectes belfordi	Delete subspecies kinneari. Add subspecies griseirostris.	DEL, ADD	Subspecies kinneari is included in joiceyi. Beehler & Pratt 2016. Subspecies griseirostris is recognized as a valid subspecies of hybrid origin with fixed, stable phenotypic characteristics. LeCroy 2011, Beehler & Pratt 2016. (see Mayr & Gilliard, 1952).
Ornate Melidectes	Melidectes torquatus	Delete subspecies nuchalis and mixtus.	DEL	Subspecies nuchalis and mixtus are included in the nominate subspecies. Beehler & Pratt 2016.
Yellow-tinted Honeyeater	Ptilotula flavescens	Delete subspecies germana.	DEL	Subspecies germana is included in the nominate subspecies. Beehler & Pratt 2016, Higgins et al 2008.
Forest Honeyeater	Meliphaga montana	Delete subspecies margaretae, sepik, germanorum, huonensis and aicora.	DEL	Subspecies margaretae, sepik, germanorum, huonensis and aicora are included in the nominate subspecies. Beehler & Pratt 2016.
Mountain Honeyeater	Meliphaga orientalis	Delete subspecies citreola.	DEL	Subspecies citreola is included in becki. Beehler & Pratt 2016.
Mimic Honeyeater	Meliphaga analoga	Delete subspecies longirostris, flavida and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Puff-backed Honeyeater	Meliphaga aruensis	Delete subspecies sharpei and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Goldenface	Pachycare flavogriseum	Delete subspecies randi.	DEL	Subspecies randi is included in subaurantium. Beehler & Pratt 2016.
Rusty Mouse-warbler	Crateroscelis murina	Delete subspecies fumosa.	DEL	Subspecies fumosa is included in capitalis. Beehler & Pratt 2016.
Bicolored Mouse-warbler	Crateroscelis nigrorufa	Delete subspecies blissi and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Mountain Mouse-warbler	Crateroscelis robusta	Delete subspecies pratti.	DEL	Subspecies pratti is included in the nominate subspecies. Beehler & Pratt 2016, Gregory 2007.
Pale-billed Scrubwren	Sericornis spilodera	Delete subspecies batantae and wuroi.	DEL	Subspecies batantae is included in ferrugineus. Subspecies wuroi is included in guttatus. Beehler & Pratt 2016.
Brown-breasted Gerygone	Gerygone ruficollis	Delete subspecies insperata and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Large-billed Gerygone	Gerygone magnirostris	Delete subspecies cobana, occasa, proxima, onerosa and tagulana.	DEL	Subspecies cobana and occasa are included in conspicillata. Subspecies proxima, onerosa and tagulana are included in rosseliana. Beehler & Pratt 2016.
Green-backed Gerygone	Gerygone chloronota	Delete subspecies cinereiceps and aruensis.	DEL	Subspecies cinereiceps and aruensis are included in the nominate subspecies. Beehler & Pratt 2016.
Fairy Gerygone	Gerygone palpebrosa	Delete subspecies inconspicua.	DEL	Subspecies inconspicua is included in the nominate subspecies. Beehler & Pratt 2016.
Papuan Babbler	Garritornis isidorei	Delete subspecies calidus and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Loria's Satinbird	Cnemophilus loriae	Delete subspecies inexpectatus, amethystinus and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Mid-mountain Berrypecker	Melanocharis longicauda	Delete subspecies chloris and umbrosa.	DEL	Subspecies chloris and umbrosa are included in the nominate subspecies. Beehler & Pratt 2016.
Fan-tailed Berrypecker	Melanocharis versteri	Delete subspecies virago.	DEL	Subspecies virago is included in maculiceps. Beehler & Pratt 2016.
Streaked Berrypecker	Melanocharis striativentris	Delete subspecies chrysocome.	DEL	Subspecies chrysocome is included in the nominate subspecies. Beehler & Pratt 2016.
Spotted Berrypecker	Rhamphocharis crassirostris	Delete subspecies viridescens.	DEL	Subspecies viridescens is included in piperata. Beehler & Pratt 2016.
Dwarf Longbill	Oedistoma iliolophus	Delete subspecies affine and flavum.	DEL	Subspecies affine and flavum are included in the nominate subspecies. Beehler & Pratt 2016.
Pygmy Longbill	Oedistoma pygmaeum	Delete subspecies waigeuense.	DEL	Subspecies waigeuense is included in the nominate subspecies. Beehler & Pratt 2016.
Slaty-headed Longbill	Toxorhamphus poliopterus	Delete subspecies maximus and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Crested Berrypecker	Paramythia montium	Delete subspecies brevicauda.	DEL	Subspecies brevicauda is included in the nominate subspecies. Beehler & Pratt 2016.
Painted Quail-thrush	Cinclosoma ajax	Delete subspecies muscale.	DEL	Subspecies muscale is included in alare. Beehler & Pratt 2016.
Mottled Berryhunter	Rhagologus leucostigma	Delete subspecies novus.	DEL	Subspecies novus is included in the nominate subspecies. Beehler & Pratt 2016.
Stout-billed Cuckooshrike	Coracina caeruleogrisea	Delete subspecies strenua, adamsoni and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Hooded Cuckooshrike	Coracina longicauda	Delete subspecies grisea and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Black Cicadabird	Coracina melas	Delete subspecies meeki and goodsoni.	DEL	Subspecies meeki and goodsoni are included in the nominate subspecies. Beehler & Pratt 2016.
Varied Triller	Lalage leucomela	Delete subspecies trobriandi.	DEL	Subspecies trobriandi is included in obscurior. Beehler & Pratt 2016.
Papuan Sittella	Daphoenositta papuensis	Delete subspecies intermedia and wahgiensis.	DEL	Subspecies intermedia is included in alba. Subspecies wahgiensis is included in toxopeusi. Beehler & Pratt 2016.
Black Sittella	Daphoenositta miranda	Delete subspecies frontalis, kuboriensis and the nominate subspecies.	DEL	Treat as monotypic. Clinal. Beehler & Pratt 2016.
Rufous-naped Whistler	Aleadryas rufinucha	Delete subspecies lochmia.	DEL	Subspecies lochmia is included in gamblei. Beehler & Pratt 2016.
Crested Pitohui	Ornorectes cristatus	Delete subspecies arthuri, kodonophonos and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Black Pitohui	Melanorectes nigrescens	Delete subspecies buergersi.	DEL	Subspecies buergersi is included in meeki. Beehler & Pratt 2016.
Brown-backed Whistler	Pachycephala modesta	Delete subspecies hypoleuca.	DEL	Subspecies hypoleuca is included in the nominate subspecies. Beehler & Pratt 2016.
Grey Whistler	Pachycephala simplex	Delete subspecies gagiensis, waigeuensis, perneglecta and miosnomensis.	DEL	Subspecies gagiensis, waigeuensis and perneglecta are included in griseiceps. Subspecies miosnomensis is included in jobiensis. Beehler & Pratt 2016.
Regent Whistler	Pachycephala schlegelii	Delete subspecies cyclopum.	DEL	Subspecies cyclopum is included in obscurior. Beehler & Pratt 2016.
Rusty Pitohui	Pseudorectes ferrugineus	Delete subspecies fuscus.	DEL	Subspecies fuscus is included in leucorhynchus. Beehler & Pratt 2016.
Sooty Shrikethrush	Colluricincla tenebrosa	Delete subspecies atra and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Little Shrikethrush	Colluricincla megarhyncha	Delete subspecies neos and idenburgi. Restore subspecies madaraszi and hybridus.	DEL, ADD	Subspecies neos is included in madaraszi as a junior synonym; subspecies idenburgi is included in hybridus as a junior synonym. Beehler & Pratt 2016. (Corrects errors in the previous allocations of these subspecies in 6.2).
Woodchat Shrike	Lanius senator	Delete subspecies rutilans.	DEL	Subspecies rutilans is included in the nominate subspecies. Lefranc & Worfolk, 1997.
Northern Variable Pitohui	Pitohui kirhocephalus	Delete subspecies adiensis and carolinae.	DEL	Subspecies adiensis and carolinae are included in rubiensis. Beehler & Pratt 2016.
White-bellied Thicket Fantail	Rhipidura leucothorax	Delete subspecies clamosa.	DEL	Subspecies clamosa is included in the nominate subspecies. Beehler & Pratt 2016.
Chestnut-bellied Fantail	Rhipidura hyperythra	Delete subspecies muelleri.	DEL	Subspecies muelleri is included in the nominate subspecies. Beehler & Pratt 2016.
Friendly Fantail	Rhipidura albolimbata	Delete subspecies lorentzi and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Dimorphic Fantail	Rhipidura brachyrhyncha	Delete subspecies devisi and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Spectacled Monarch	Symposiachrus trivirgatus	Delete subspecies bernsteinii.	DEL	Subspecies bernsteinii is a junior synonym of nigrimentum, based on a single female specimen mistakenly attributed to Salawati I. but likely collected on Ambon I. See Beehler & Pratt 2016.
Brown-headed Crow	Corvus fuscicapillus	Delete subspecies megarhynchus and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Lesser Melampitta	Melampitta lugubris	Delete subspecies rostrata, longicauda and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Blue-capped Ifrit	Ifrita kowaldi	Delete subspecies brunnea and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Glossy-mantled Manucode	Manucodia ater	Add subspecies alter.	ADD	Beehler & Pratt 2016, Frith & Frith 2009
Curl-crested Manucode	Manucodia comrii	Delete subspecies trobriandi and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Trumpet Manucode	Phonygammus keraudrenii	Delete subspecies diamondi, aruensis and adelberti.	DEL	Subspecies diamondi and aruensis are included in jamesii. Subspecies adelberti is included in neumanni. Beehler & Pratt 2016.
Queen Carola's Parotia	Parotia carolae	Delete subspecies clelandiae.	DEL	Subspecies clelandiae is included in chrysenia. Beehler & Pratt 2016.
Black Sicklebill	Epimachus fastosus	Delete subspecies ultimus, atratus and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Brown Sicklebill	Epimachus meyeri	Delete subspecies albicans, bloodi and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Black-billed Sicklebill	Drepanornis albertisi	Restore subspecies geisleri.	ADD	Beehler & Pratt 2016
Twelve-wired Bird-of-paradise	Seleucidis melanoleucus	Delete subspecies auripennis and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Raggiana Bird-of-paradise	Paradisaea raggiana	Add subspecies salvadorii.	ADD	Beehler & Pratt 2016, Frith & Frith 2009
Lesser Bird-of-paradise	Paradisaea minor	Delete subspecies finschi.	DEL	Subspecies finschi is included in the nominate subspecies. Beehler & Pratt 2016.
Ashy Robin	Heteromyias albispecularis	Delete subspecies centralis and atricapilla.	DEL	Subspecies centralis is included in rothschildi. Subspecies atricapilla is included in armiti. Beehler & Pratt 2016.
Green-backed Robin	Pachycephalopsis hattamensis	Delete subspecies axillaris.	DEL	Subspecies axillaris is included in the nominate subspecies. Beehler & Pratt 2016.
White-eyed Robin	Pachycephalopsis poliosoma	Delete subspecies albigularis, balim and idenburgi.	DEL	Subspecies albigularis and balim are included in approximans. Subspecies idenburgi is included in hunsteini. Beehler & Pratt 2016.
Olive Flyrobin	Microeca flavovirescens	Delete subspecies cuicui and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
White-winged Robin	Peneothello sigillata	Delete subspecies hagenensis.	DEL	Subspecies hagenensis is included in the nominate subspecies. Beehler & Pratt 2016.
Garnet Robin	Eugerygone rubra	Delete subspecies saturatior and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Papuan Scrub Robin	Drymodes beccarii	Delete subspecies brevirostris.	DEL	Subspecies brevirostris is included in the nominate subspecies. Beehler & Pratt 2016.
Lesser Ground Robin	Amalocichla incerta	Delete subspecies olivascentior.	DEL	Subspecies olivascentior is included in brevicauda. Beehler & Pratt 2016.
Olive Bulbul	Iole viridescens	Reassign subspecies myitkyinensis to I. propinqua.	TAX	Manawatthana et al. 2017
Grey-eyed Bulbul	Iole propinqua	Reassign subspecies lekhakuni and cinnamomeoventris to I. viridescens.	TAX	Manawatthana et al. 2017
Island Leaf Warbler	Phylloscopus maforensis	Delete subspecies paniaiae.	DEL	Subspecies paniaiae is included in albigularis. Beehler & Pratt 2016.
Papuan Grassbird	Megalurus macrurus	Delete subspecies mayri and wahgiensis.	DEL	Subspecies mayri and wahgiensis are included in the nominate subspecies. Beehler & Pratt 2016.
Papuan White-eye	Zosterops novaeguineae	Delete subspecies aruensis.	DEL	Subspecies aruensis is included in wuroi. Beehler & Pratt 2016.
Louisiade White-eye	Zosterops griseotinctus	Delete subspecies aignani.	DEL	Subspecies aignani is included in the nominate subspecies. Beehler & Pratt 2016.
Moluccan Starling	Aplonis mysolensis	Delete subspecies sulaensis.	DEL	Treat as monotypic. Craig & Feare 2009, Beehler and Pratt 2016, Eaton et al 2016
Island Thrush	Turdus poliocephalus	Delete subspecies erebus and keysseri.	DEL	Subspecies erebus and keysseri are included in papuensis. Beehler & Pratt 2016.
Red-capped Flowerpecker	Dicaeum geelvinkianum	Delete subspecies setekwa and centrale.	DEL	Subspecies setekwa and centrale are included in diversum. Beehler & Pratt 2016.
Black Sunbird	Leptocoma aspasia	Delete subspecies salvadorii.	DEL	Subspecies salvadorii is included in the nominate subspecies. Beehler & Pratt 2016.
Mountain Firetail	Oreostruthus fuliginosus	Delete subspecies pallidus, hagenensis and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016.
Streak-headed Mannikin	Lonchura tristissima	Add subspecies bigilalai.	ADD	Tentatively recognized. Possibly of hybrid origin. Beehler & Pratt 2016, Payne 2010.
White-spotted Mannikin	Lonchura leucosticta	Delete subspecies moresbyae and the nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt 2016, Payne 2010.
Great-billed Mannikin	Lonchura grandis	Delete subspecies heurni and ernesti.	DEL	Subspecies heurni is included in destructa. Subspecies ernesti is included in the nominate subspecies. Beehler & Pratt 2016.
Alpine Pipit	Anthus gutturalis	Delete subspecies rhododendri.	DEL	Subspecies rhododendri is included in wollastoni. Beehler & Pratt 2016.
IOC Version 7.1 (Jan 8, 2017)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Mangrove Rail	Rallus longirostris	Add subspecies berryorum.	TAX	Newly described. Maley et al 2016
Pale-winged Trumpeter	Psophia leucoptera	Move subspecies ochroptera to P. crepitans. Delete the nominate subspecies.	TAX, DEL	Treat as monotypic. Transferring ochroptera to crepitans avoids paraphyly based on Ribas et al 2012. SACC 607.
[Common?] Western Barn Owl	Tyto alba	Transfer subspecies javanica and stertens to Eastern Barn Owl which takes on the scientific name of T. javanica.	TAX	Aliabadian et al. 2016
Musician Wren	Cyphorhinus arada	Delete subspecies urbanoi and faroensis.	DEL	Subspecies urbanoi and faroensis are synonymized with the nominate subspecies. Bocalini & Silveira 2016.
Karoo Scrub Robin	Cercotrichas coryphoeus abbotti	Cercotrichas coryphoeus abboti	TAX	Correct spelling of subspecies epithet. Named for Charles G. Abbot. OD verified.
Saffron-billed Sparrow	Arremon flavirostris	Delete subspecies devillii.	DEL	Subspecies devillii is synonymous with polionotus. Bouainain et al 2016.
IOC Version 6.4 (Oct 22, 2016)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Andean Tinamou	Nothoprocta pentlandii	Add subspecies patriciae.	ADD	Cabot et al, 2016.
Elegant Quail	Callipepla douglasii	Add subspecies impedita.	ADD	Carroll, 1994.
Yellow-crowned Night Heron	Nyctanassa violacea paupera	Nyctanassa violacea pauper	TAX	Dickinson & Christidis, erratum to H&M4, Vol. 1.
Grey-necked Wood Rail	Aramides cajaneus	Delete subspecies latens and morrisoni.	DEL	Subspecies latens and morrisoni are synonymous with the nominate subspecies. Marcones and Silveira, 2015.
Lined Quail-Dove	Zentrygon linearis	Restore subspecies trinitatis and the nominate subspecies.	ADD	Mlíkovský, 2016.
Great Horned Owl	Bubo virginianus	Add subspecies deserti.	ADD	König & Weick 2008, Holt et al, 2016.
Speckled Hummingbird	Adelomyia melanogenys	Add subspecies sabinae.	ADD, PHY	Subspecies sabinae is tentatively applied to the population of the western slope of the eastern Andes of Colombia. Chaves & Smith, 2011. Donegan and Avendaño, 2015
Golden-green Woodpecker	Piculus chrysochloros	Delete subspecies aurosus, guianensis and hypochryseus.	TAX	Subspecies aurosus is included in xanthochlorus; guianensis is included in capistratus; and hypochryseus is included in laemostictus. Del-Rio et al, 2013.
Australian Ringneck	Barnardius zonarius	Add subspecies parkeri.	ADD	Newly described. Forshaw & Joseph, 2016.
Streak-backed Canastero	Asthenes wyatti	Change the name of perijana to phelpsi.	TAX	With the merger of Schizoeaca with Asthenes, the subspecies epithet perijana conflicts with Asthenes (Schizoeaca) perijana. A replacement name is required. Chesser, 2016.
Streaked Tuftedcheek	Pseudocolaptes boissonneautii	Add subspecies oberholseri. Delete subspecies orientalis.	ADD, DEL	Subspecies orientalis Zimmer, 1935 is synonymized with oberholseri Cory, 1919. Remsen, 2003.
Guianan Warbling Antbird	Hypocnemis cantator	Delete subspecies notaea. Delete the nominate subspecies.	DEL	Subspecies notaea is included in the nominate subspecies. Treat as monotypic. Zimmer & Isler, 2003.
American Cliff Swallow	Petrochelidon pyrrhonota	Delete subspecies hypopolia.	DEL	Subspecies hypopolia is included in the nominate subspecies. Turner, 2004.
Eurasian Reed Warbler	Acrocephalus scirpaceus	Add subspecies ammon.	ADD	Newly described. Hering et al. 2016.
African Reed Warbler	Acrocephalus baeticatus	Add subspecies ambiguus and minor. Delete subspecies guiersi.	ADD, DEL	Resurrect genetically and phenotypically distinct subspecies ambiguus, traditionally synonymized with A. s. scirpaceus. Subspecies minor, traditionally synonymized with cinnamomeus, tentatively includes guiersi. Olsson, et al. 2016.
Dark-necked Tailorbird	Orthotomus atrogularis anambensis	Orthotomus atrogularis major	TAX	Restore subspecies epithet from anambensis to major. Dickinson & Christidis, 2014
Coral-billed Scimitar Babbler	Pomatorhinus ferruginosus	Delete subspecies formosus.	DEL	Subspecies formosus is synonymous with phayrei. Reddy & Moyle, 2015.
Pied Myna	Gracupica contra sordidus	Gracupica contra sordida	TAX	Subspecies epithet requires gender agreement. Dickinson & Christidis, 2014.
Alpine Thrush	Zoothera mollissima	Delete subspecies whiteheadi. Delete the nominate subspecies.	DEL	Subspecies whiteheadi is synonymous with the nominate subspecies. Treat as monotypic. Alström et al. 2016.
Abyssinian Thrush	Turdus abyssinicus milanjensis	Turdus olivaceus milanjensis	TAX	Reassign subspecies milanjensis to Turdus olivaceus. Corrects error in original subspecies assignment. Bowie et al. 2005
Yellow-legged Thrush	Turdus flavipes melanopleurus	Turdus flavipes melanopleura	TAX	Subspecies epithet invariable. Dickinson & Christidis, 2014.
Forest Robin	Stiphrornis erythrothorax	Add subspecies dahomeyensis, inexpectatus and rudderi.	ADD	Newly described. Proposed as full species but treated here tentatively as subspecies as with the other taxa within Stiphrornis. Voelker et al, 2016.
Black Wheatear	Oenanthe leucura	Delete subspecies syenitica. Add subspecies riggenbachi.	TAX	Subspecies syenitica cannot be attributed to the nw Africa taxon. Subspecies riggenbachi is an available name. Shirihai et al, 2014.
Ludwig's Double-collared Sunbird	Cinnyris ludovicensis	Add subspecies skye.	ADD	Newly described. Bowie, Fjeldså, Kiure & Kristensen, 2016
Common Chaffinch	Fringilla coelebs	Delete subspecies balearica, tyrrhenica, schiebeli, and caucasica.	DEL	Subspecies balearica, tyrrhenica, schiebeli, and caucasica are included in the nominate subspecies. Clement, 2010.
Hawfinch	Coccothraustes coccothraustes schulpini	Coccothraustes coccothraustes shulpini	TAX	Correct original spelling. Dickinson & Christidis, 2014.
Pine Grosbeak	Pinicola enucleator	Delete subspecies alascensis and eschatosa.	DEL	Subspecies alascensis and eschatosa are included in leucura. Clement, 2010.
Eurasian Bullfinch	Pyrrhula pyrrhula	Delete subspecies paphlagoniae.	DEL	Subspecies paphlagoniae is synonymous with the nominate subspecies. Clement, 2010.
Brandt's Mountain Finch	Leucosticte brandti	Delete subspecies audreyana.	DEL	Subspecies audreyana is included in haematopygia.
Grey-crowned Rosy Finch	Leucosticte tephrocotis	Delete subspecies irvingi.	DEL	Subspecies irvingi is synonymous with the nominate subspecies. Browning, 1990. Macdougall-Shackleton et al, 2000.
House Finch	Haemorhous mexicanus	Delete subspecies clementis.	DEL	Subspecies clementis is included in frontalis. Badyaev et al, 2012.
White-bellied Canary	Crithagra dorsostriata	Add subspecies taruensis.	ADD	Clement, 2010.
White-throated Canary	Crithagra albogularis	Delete subspecies hewitti.	DEL	Subspecies hewitti is included in the nominate subspecies. Clement, 2010. Hockey et al, 2005.
Twite	Linaria flavirostris	Delete subspecies bensonorum and pamirensis.	DEL	Subspecies bensonorum is included in pipilans. Subspecies pamirensis is included in montanella. Clement, 2010.
Cape Canary	Serinus canicollis	Add subspecies thompsonae.	ADD	Hockey et al, 2005, Clement, 2010
Andean Siskin	Spinus spinescens	Delete subspecies capitaneus.	DEL	Subspecies capitaneus is included in the nominate subspecies.
Grey-crowned Yellowthroat	Geothlypis poliocephala	Delete subspecies pontilis.	DEL	Subspecies pontilis is included in the nominate subspecies. Curson, 2010.
Tropical Parula	Setophaga pitiayumi	Delete subspecies speciosa, nana, elegans, roraimae, and melanogenys.	DEL	Subspecies speciosa and nana are included in inornata. Subspecies elegans, roraimae, and melanogenys are included in the nominate subspecies. Regelski & Moldenhauer, 2012.
Myrtle Warbler	Setophaga coronata	Add subspecies hooveri. Add the nominate subspecies.	ADD	Curson, 2010.
Western Meadowlark	Sturnella neglecta	Add subspecies confluenta. Add the nominate subspecies.	ADD	Davis & Lanyon, 2008.
Yellow-backed Oriole	Icterus chrysater	Delete subspecies hondae.	DEL	Subspecies hondae is included in giraudii. Fraga, 2011.
Altamira Oriole	Icterus gularis	Add subspecies mentalis. Delete subspecies tamaulipensis, yucatanensis, troglodytes, and gigas.	ADD, DEL	Subspecies mentalis is revived by Dickerman, 2007 in his re-evalution of the I. gularis species complex. Subspecies tamaulipensis, yucatanensis, and troglodytes are synonymous with mentalis. Subspecies gigas is synonymous with the nominate subspecies. Dickerman, 2007; Fraga, 2011.
Orchard Oriole	Icterus spurius	Delete subspecies phillipsi. Delete the nominate subspecies.	DEL	Treat as monotypic. Fraga, 2011.
Red-winged Blackbird	Agelaius phoeniceus	Add subspecies pallidulus. Delete subspecies brevirostris.	ADD, DEL	Subspecies brevirostris synonymous with richmondi. Fraga, 2011.
Red-shouldered Blackbird	Agelaius assimilis	Delete subspecies subniger. Delete the nominate subspecies.	DEL	Treat as monotypic. Fraga, 2011.
Lark-like Bunting	Emberiza impetuani	Delete subspecies eremica.	DEL	Subspecies eremica is included in the nominate subspecies. Ryan, 2011.
Cinnamon-breasted Bunting	Emberiza tahapisi	Delete subspecies insularis.	DEL	Subspecies insularis is included in the nominate subspecies. Kirwan, 2007, Redman et al, 2009.
Cabanis's Bunting	Emberiza cabanisi	Add subspecies cognominata.	ADD	Ryan, 2011.
Song Sparrow	Melospiza melodia samuelis	Melospiza melodia samuelsis	TAX	Subspecies epithet emended based on internal informtion in OD. Dickinson & Christidis, 2014.
Swamp Sparrow	Melospiza georgiana	Add subspecies nigrescens.	ADD	Rising, 2011, Mowbray, 1997.
Rufous-collared Sparrow	Zonotrichia capensis	Delete subspecies orestera.	DEL	Subspecies orestera is Synonymous with costaricensis. Wetmore, et al, 1984.
Seaside Sparrow	Ammodramus maritimus	Delete subspecies pelonotus.	DEL	Subspecies pelonotus is included in macgillivraii. Post & Greenlaw, 2009.
Field Sparrow	Spizella pusilla	Delete subspecies arenacea. Delete the nominate subspecies.	DEL	Treat as monotypic. Carey et al, 2008.
Worthen's Sparrow	Spizella wortheni	Add subspecies browni. Add the nominate subspecies.	ADD	Rising, 2011.
Bell's Sparrow	Artemisiospiza belli	Delete subspecies clementeae.	DEL	Subspecies clementeae is included in the nominate subspecies. Patten & Unitt, 2002.
Stripe-headed Sparrow	Peucaea ruficauda	Delete subspecies ibarrorum.	DEL	Subspecies ibarrorum is included in the nominate subspecies. Rising, 2011.
Botteri's Sparrow	Peucaea botterii	Delete subspecies mexicana.	DEL	Subspecies mexicana is included in the nominate subspecies. Webb & Bock, 2012.
Rufous-crowned Sparrow	Aimophila ruficeps	Delete subspecies rupicola.	DEL	Subspecies rupicola is included in scotti. Collins, 1999.
California Towhee	Melozone crissalis	Delete subspecies bullata, carolae, and eremophila.	DEL	Subspecies bullata, carolae, and eremophila are included in the nominate subspecies. Benedict et al, 2011.
Olive Sparrow	Arremonops rufivirgatus	Delete subspecies ridgwayi.	DEL	Subspecies ridgwayi is included in the nominate subspecies. Brush, 2013.
Black-striped Sparrow	Arremonops conirostris	Delete subspecies richmondi.	DEL	Subspecies richmondi is included in striaticeps. Wetmore, et al, 1984.
White-naped Brushfinch	Atlapetes albinucha	Delete subspecies coloratus.	DEL	Subspecies coloratus is included in brunnescens. Wetmore, et al, 1984.
Yellow-breasted Brushfinch	Atlapetes latinuchus	Delete subspecies simplex.	DEL	Subspecies simplex is synonymous with spodionotus. Jaramillo, 2011.
Bay-crowned Brushfinch	Atlapetes seebohmi	Delete subspecies celicae.	DEL	Subspecies celicae is included in simonsi. Ridgely & Greenfield, 2001.
Common Bush Tanager	Chlorospingus flavopectus	Delete subspecies persimilis and novicius.	DEL	Subspecies persimilis is synonymous with albifrons. Hilty, 2011. Subspecies novicius is regarded as an intergrade between regionalis and punctulatus. McCarthy, 2006
Sooty-capped Bush Tanager	Chlorospingus pileatus	Delete subspecies diversus. Delete the nominate subspecies.	DEL	Treat as monotypic. Hilty, 2011
Yellow-billed Cardinal	Paroaria capitata	Delete subspecies fuscipes. Delete the nominate subspecies.	DEL	Treat as monotypic. Jaramillo, 2011.
Emerald Tanager	Tangara florida	Delete subspecies auriceps. Delete the nominate subspecies.	DEL	Treat as monotypic. Hilty, 2011.
Slaty Flowerpiercer	Diglossa plumbea	Delete subspecies veraguensis. Delete the nominate subspecies.	DEL	Treat as monotypic. Hilty, 2011.
Bright-rumped Yellow Finch	Sicalis uropigyalis	Delete subspecies connectens.	DEL	Subspecies connectens is included in the nominate subspecies. Jaramillo, 2011.
Slate-colored Seedeater	Sporophila schistacea	Delete subspecies subconcolor.	DEL	Subspecies subconcolor is included in the nominate subspecies. Rising & Jaramillo, 2011.
Grey Seedeater	Sporophila intermedia	Add subspecies insularis.	ADD	Rising & Jaramillo, 2011, Restall et al, 2006.
Lesson's Seedeater	Sporophila bouvronides	Delete subspecies restricta. Delete the nominate subspecies.	DEL	Treat as monotypic. Jaramillo, 2011.
Copper Seedeater	Sporophila bouvreuil	Delete subspecies saturata and crypta.	DEL	Treat as monotypic. Machado & Silveira 2011.
Thick-billed Seed Finch	Oryzoborus funereus	Add subspecies fractor.	ADD	Dickinson & Christidis, 2014.
Sooty Grassquit	Tiaris fuliginosus	Delete subspecies zuliae and fumosus. Delete the nominate subspecies.	DEL	Treat as monotypic. Rising & Jaramillo, 2011.
Grey-crowned Tanager	Phaenicophilus poliocephalus	Add subspecies tetraopes.	ADD	Hilty, 2011
Black-winged Saltator	Saltator atripennis	Delete subspecies caniceps. Delete the nominate subspecies.	DEL	Treat as monotypic. Ridgely & Greenfield, 2001.
IOC Version 6.3 (July 20, 2016)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Snow Goose	Chen caerulescens atlantica	Anser caerulescens atlanticus	TAX	Requires change in gender agreement with transfer to Anser from Chen.
Marsh Antwren	Stymphalornis acutirostris	Add subspecies paludicola.	ADD	Initially described as a full species (Buzzetti et al, 2013) but treated as a subspecies of Marsh Antwren by SACC 693 (2016).
Cinereous Ground Tyrant	Muscisaxicola cinereus argentinus	Muscisaxicola cinereus argentina	TAX	Subspecies epithet treated as a noun in apposition, thus invariable. Schodde & Bock, 2016.
MacGregor's Bowerbird	Amblyornis macgregoriae germana	Amblyornis macgregoriae germanus	TAX	Subspecies epithet treated as a noun in apposition, thus invariable. Schodde & Bock, 2016.
Thick-billed Grasswren	Amytornis modestus	Add subspecies cowarie.	ADD	Newly described. Black, 2016.
Indian Paradise Flycatcher	Terpsiphone paradisi saturatior	Terpsiphone affinis saturatior	TAX	Reassign subspecies saturatior from T. paradisi to T. affinis. Corrects oversight in original subspecies assignment. Rasmussen, in litt.
Asian Short-toed Lark	Alaudala cheleensis niethammeri	Alaudala rufescens aharonii.	TAX	Change subspecies epithet from niethammeri to aharonii. Reassign it from A. cheleensis to A. rufescens. Kirwan et al, 2008, Dickinson & Christidis, 2014.
Asian Short-toed Lark	Alaudala cheleensis persica	Alaudala rufescens persica.	TAX	Reassign subspecies persica from A. cheleensis to A. rufescens. Dickinson & Christidis, 2014.
Lesser Whitethroat	Sylvia curruca	Add subspecies blythi.	ADD	Tentatively included as a subspecies of morphologically similar S. curruca with which it is frequently synonymized (e.g. Aymí & Gargallo, 2006). However, mtDNA studies show it to be quite distinct (Olsson et al, 2013). Whether this represents a case of convergent evolution or misleading gene tree, remains to be resolved. The taxonomy of the entire Lesser Whitethroat complex may require revision.
Band-backed Wren	Campylorhynchus zonatus	Delete subspecies panamensis.	DEL	Subspecies panamensis is included in costaricensis. Kroodsma & Brewer, 2005.
Bewick's Wren	Thryomanes bewickii	Delete subspecies atrestus, murinus, and altus.	DEL	Subspecies atrestus is included in drymoecus, murinus is included in mexicanus, and altus is included in the nominate subspecies. Kennedy & White, 2013.
Eurasian Wren	Troglodytes troglodytes	Delete subspecies zagrossiensis.	DEL	Subspecies zagrossiensis is included in hyrcanus. Dickinson & Christidis, 2014.
House Wren	Troglodytes aedon	Delete subspecies nitidus.	DEL	Subspecies nitidus is included in brunneicollis. Johnson, 2014.
White-bellied Wren	Uropsila leucogastra	Delete subspecies australis.	DEL	Subspecies australis isncluded in brachyura. Kroodsma & Brewer, 2005
Blue-grey Gnatcatcher	Polioptila caerulea	Add subspecies comiteca.	ADD	Atwood & Lerman, 2006.
Eurasian Nuthatch	Sitta europaea	Add subspecies baicalensis, sakhalinensis, takatsukasai, clara, hondoensis, and formosana.	ADD	Red'kin & Konovaleva, 2006; Harrap, 2008c.
Western Rock Nuthatch	Sitta neumayer	Delete subspecies syriaca and rupicola.	DEL	Subspecies syriaca and rupicola are included in the nominate subspecies. Kirwan et al, 2008.
Brown Creeper	Certhia americana	Delete subspecies guerrerensis and jaliscensis.	DEL	Subspecies guerrerensis and jaliscensis are both synonymous with alticola. Harrap, 2008b
Short-toed Treecreeper	Certhia brachydactyla	Delete subspecies stresemanni.	DEL	Subspecies stresemanni is included in the nominate subspecies. Kirwan et al, 2008
Orange-headed Thrush	Geokichla citrina	Delete subspecies gibsonhilli.	DEL	Subspecies gibsonhilli is included in the nominate subspecies. Wells, 2007
Slate-colored Solitaire	Myadestes unicolor	Delete subspecies pallens and the nominate subspecies.	DEL	Treat as monotypic. Collar, 2005.
Black-billed Nightingale-Thrush	Catharus gracilirostris	Add subspecies bensoni.	ADD	Wetmore et al, 1984; Collar, 2005
Orange-billed Nightingale-Thrush	Catharus aurantiirostris	Delete subspecies aenopennis, bangsi, and russatus .	DEL	Subspecies aenopennis is included in clarus. Subspecies bangsi is included in melpomene. Subspecies russatus is included in griseiceps. Collar, 2005.
Spotted Nightingale-Thrush	Catharus dryas	Delete subspecies ecuadoreanus.	DEL	Subspecies ecuadoreanus is included in maculatus. Collar, 2005.
Brown-headed Thrush	Turdus chrysolaus	Add subspecies orii and the nominate subspecies.	ADD	Brazil, 2009
Glossy-black Thrush	Turdus serranus	Add subspecies continoi.	ADD, TAX	Dickinson & Christidis, 2014. T. s. continoi Fraga & Dickinson, 2008, is a replacement name for T. s. unicolor Olrog & Contino, 1970, which is preoccupied by T. unicolor Tickell, 1833.
Clay-colored Thrush	Turdus grayi	Add subspecies incomptus.	ADD	Collar, 2005.
Karoo Scrub Robin	Cercotrichas coryphoeus	Add subspecies abbotti.	ADD	Hockey et al, 2005
Kalahari Scrub Robin	Cercotrichas paena	Delete subspecies damarensis.	DEL	Subspecies damarensis is included in the nominate subspecies. Hockey et al, 2005.
White-browed Scrub Robin	Cercotrichas leucophrys	Delete subspecies simulator.	DEL	Subspecies simulator is synonymous with the nominate subspecies. Collar, 2005.
Oriental Magpie-Robin	Copsychus saularis	Delete subspecies erimelas, prosthopellus, zacnecus, nesiarchus, masculus, and pagiensis.	DEL	Subspecies erimelas and prosthopellus are synonymous with the nominate subspecies. Subspecies zacnecus, nesiarchus, masculus, and pagiensis are synonymous with musicus.
White-rumped Shama	Copsychus malabaricus	Delete subspecies interpositus.	DEL	Subspecies interpositus is synonymous with macrourus. Wells, 2007.
Pale Flycatcher	Melaenornis pallidus	Delete subspecies aquaemontis.	DEL	Subspecies aquaemontis is included in murinus. Hockey et al, 2005.
Malaysian Blue Flycatcher	Cyornis turcosus	Delete subspecies rupatensis and the nominate subspecies.	DEL	Treat as monotypic. Wells, 2007
Snowy-crowned Robin-Chat	Cossypha niveicapilla	Add subspecies melanonota. Add the nominate subspecies.	ADD	Zimmerman et al, 1996
White-starred Robin	Pogonocichla stellata	Delete subspecies hygrica and chirindensis.	DEL	Subspecies hygrica and chirindensis are included in transvaalensis. Hockey et al, 2005.
Eyebrowed Jungle Flycatcher	Vauriella gularis	Delete subspecies kamlae. Delete the nominate subspecies.	DEL	Treat as monotypic. Clement, 2006
Bluethroat	Luscinia svecica	Add subspecies azuricollis.	ADD	Johnsen et al, 2006.
Himalayan Bluetail	Tarsiger rufilatus	Add subspecies pallidior and the nominate subspecies.	ADD	Rasmussen & Anderton, 2012.
Bundok Flycatcher	Ficedula luzoniensis	Delete subspecies mindorensis.	DEL	Subspecies mindorensis is included in the nominate subspecies. Dickinson et al, 1991, Clement, 2006.
Forest Rock Thrush	Monticola sharpei	Delete subspecies salomonseni.	DEL	Subspecies salomonseni is included in the nominate subspecies. Collar, 2005, Safford & Hawkins, 2013.
Grey Bush Chat	Saxicola ferreus	Add subspecies haringtoni. Add the nominate subspecies.	ADD	Collar, 2005.
Red-rumped Wheatear	Oenanthe moesta	Delete subspecies brooksbanki and the nominate subspecies.	DEL	Treat as monotypic. Collar, 2005.
White-crowned Wheatear	Oenanthe leucopyga	Delete subspecies aegra.	DEL	Subspecies aegra is synonymous with the nominate subspecies. Collar, 2005.
Golden-rumped Flowerpecker	Dicaeum annae	Add subspecies sumbavense and the nominate subspecies.	ADD	Cheke & Mann, 2008
Thick-billed Flowerpecker	Dicaeum agile	Add subspecies pallescens. Delete subspecies remotum.	ADD, DEL	Add subspecies pallescens following Cheke & Mann, 2008, Rasmussen & Anderton, 2012. Subspecies remotum is included in modestum. Cheke & Mann, 2008.
Brown-backed Flowerpecker	Dicaeum everetti	Delete subspecies sordidum.	DEL	Subspecies sordidum is synonymous with the nominate subspecies. Cheke & Mann, 2008.
Orange-bellied Flowerpecker	Dicaeum trigonostigma	Add subspecies antioproctum.	ADD	Cheke & Mann, 2008.
Brown-throated Sunbird	Anthreptes malacensis	Delete subspecies anambae and nesophilus.	DEL	Subspecies anambae is included in the nominate subspecies. Subspecies nesophilus is synonymous with celebensis. Cheke & Mann, 2008.
Amethyst Sunbird	Chalcomitra amethystina	Delete subspecies doggetti and adjuncta.	DEL	Subspecies doggetti is included in kirkii. Subspecies adjuncta is included in the nominate subspecies. Cheke & Mann, 2008.
Tiny Sunbird	Cinnyris minullus	Delete subspecies amadoni and the nominate subspecies.	DEL	Treat as monotypic. Cheke & Mann, 2008.
Greater Double-collared Sunbird	Cinnyris afer	Delete subspecies saliens and the nominate subspecies.	DEL	Treat as monotypic. Hockey et al, 2005.
Regal Sunbird	Cinnyris regius	Delete subspecies kivuensis.	DEL	Subspecies kivuensis is synonymous with the nominate subspecies. Cheke & Mann, 2008.
Purple-banded Sunbird	Cinnyris bifasciatus	Delete subspecies strophium.	DEL	Subspecies strophium is synonymous with microrhynchus. Cheke & Mann, 2008.
Sociable Weaver	Philetairus socius	Delete subspecies geminus, xericus, and the nominate subspecies.	DEL	Treat as monotypic. Hockey et al, 2005.
Dead Sea Sparrow	Passer moabiticus	Delete subspecies mesopotamicus.	DEL	Subspecies mesopotamicus is included in the nominate subspecies. Kirwan, 2004; Summers‐Smith, 2009.
Cape Sparrow	Passer melanurus	Add subspecies vicinus.	ADD	Hockey et al, 2005.
Red-billed Buffalo Weaver	Bubalornis niger	Delete subspecies militaris.	DEL	Subspecies militaris is included in the nominate subspecies. Craig, 2010.
Spectacled Weaver	Ploceus ocularis	Delete subspecies brevior and tenuirostris.	DEL	Subspecies brevior is synonymous with the nominate subspecies. Subspecies tenuirostris is synonymous with crocatus. Craig, 2010.
Eastern Golden Weaver	Ploceus subaureus	Delete subspecies tongensis.	DEL	Subspecies tongensis is synonymous with the nominate subspecies. Craig, 2010.
Southern Masked Weaver	Ploceus velatus	Delete subspecies nigrifrons and peixotoi.	DEL	Treat as monotypic. Craig, 2010.
Village Weaver	Ploceus cucullatus	Delete subspecies paroptus and dilutescens.	DEL	Subspecies paroptus is synonymized with nigriceps. Subspecies dilutescensis is synonymized with spilonotus. Craig, 2010.
Dark-backed Weaver	Ploceus bicolor	Delete subspecies sylvanus.	DEL	Subspecies sylvanus is synonymized with stictifrons. Craig, 2010.
Olive-headed Weaver	Ploceus olivaceiceps	Delete subspecies vicarius and the nominate subspecies.	DEL	Treat as monotypic. Craig, 2010.
Southern Red Bishop	Euplectes orix	Delete subspecies sundevalli, turgidus and nigrifrons. Delete the nominate subspecies.	DEL	Treat as monotypic. Craig, 2010.
Yellow Bishop	Euplectes capensis	Delete subspecies macrorhynchus.	DEL	Subspecies macrorhynchus is included in the nominate subspecies. Craig, 2010.
Fan-tailed Widowbird	Euplectes axillaris	Delete subspecies quanzae.	DEL	Subspecies quanzae is synonymous with bocagei. Craig, 2010.
Chestnut-breasted Nigrita	Nigrita bicolor	Add subspecies saturatior.	ADD	Payne, 2010.
Red-faced Crimsonwing	Cryptospiza reichenovii	Add subspecies ocularis.	ADD	Payne, 2010.
Crimson Seedcracker	Pyrenestes sanguineus	Delete subspecies coccineus and the nominate subspecies.	DEL	Treat as monotypic. Payne, 2010.
Blue Waxbill	Uraeginthus angolensis	Add subspecies cyanopleurus.	ADD	Payne, 2010.
Red-cheeked Cordon-bleu	Uraeginthus bengalus	Delete subspecies littoralis.	DEL	Subspecies littoralis is synonymous with brunneigularis. Payne, 2010.
Violet-eared Waxbill	Uraeginthus granatinus	Delete subspecies siccatus, retusus, and the nominate subspecies.	DEL	Treat as monotypic. Payne, 2010.
Orange-cheeked Waxbill	Estrilda melpoda	Delete subspecies tschadensis and the nominate subspecies.	DEL	Treat as monotypic. Payne, 2010.
Common Waxbill	Estrilda astrild	Delete subspecies sousae and schoutedeni.	DEL	Subspecies sousae is synonymous with jagoensis. Subspecies schoutedeni is synonymous with cavendishi. Payne, 2010.
Black-faced Waxbill	Estrilda erythronotos	Delete subspecies soligena.	DEL	Subspecies soligena is synonymous with the nominate subspecies. Payne, 2010.
Orange-breasted Waxbill	Amandava subflava	Delete subspecies niethammeri.	DEL	Subspecies niethammeri is synonymous with the nominate subspecies. Payne, 2010.
Scaly-breasted Munia	Lonchura punctulata	Delete subspecies holmesi.	DEL	Subspecies holmesi is synonymous with nisoria. Payne, 2010.
Hooded Mannikin	Lonchura spectabilis	Delete subspecies sepikensis and gajduseki.	DEL	Subspecies sepikensis is included in mayri. Subspecies gajduseki is included in wahgiensis. Beehler & Pratt, 2016.
Black-breasted Mannikin	Lonchura teerinki	Add subspecies mariae and the nominate subspecies.	ADD	Beehler & Pratt, 2016.
Yellow-throated Longclaw	Macronyx croceus	Add subspecies tertius, vulturnus, and the nominate subspecies.	ADD	Tyler, S, 2004, Hockey et al, 2005.
Rosy-throated Longclaw	Macronyx ameliae	Add subspecies wintoni, altanus, and the nominate subspecies.	ADD	Tyler, S, 2004, Zimmerman et al, 1996, Hockey et al, 2005.
New Zealand Pipit	Anthus novaeseelandiae	Delete subspecies reischeki.	DEL	Subspecies reischeki is synonymous with the nominate subspecies. Gill et al, 2010; Tyler, 2004.
Wood Pipit	Anthus nyassae	Add subspecies chersophilus.	ADD	Hockey et al, 2005
Buffy Pipit	Anthus vaalensis	Delete subspecies clanceyi.	DEL	Subspecies clanceyi is included in the nominate subspecies. Hockey et al, 2005.
IOC Version 6.2 (Apr 20, 2016)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Sultan's (Slender-billed) Cuckoo-Dove	Macropygia (amboinensis) doreya	Add subspecies sedecima.	ADD	Generally synonymized with albicapilla. Recognized as a distinct subspecies in Ng et al. 2016.
Philippine Cuckoo-Dove	Macropygia tenuirostris	Add subspecies septentrionalis. Transfer subspecies borneensis to this species from M. emiliana.	ADD, TAX	Ng et al. 2016.
Tan-capped (White-eared) Catbird	Ailuroedus (buccoides) geislerorum	Add subspecies molestus to newly split A. geislerorum.	ADD	Irestedt et al. 2015.
Northern (Spotted) Catbird	Ailuroedus (melanotis) jobiensis	Delete subspecies guttaticollis from newly split A. jobiensis.	DEL	Treat A. jobiensis as monotypic. Includes guttaticollis. Beehler & Pratt, 2016, Irestedt et al. 2015.
Ashy Myzomela	Myzomela cineracea	Delete subspecies rooki. Delete nominate subspecies.	DEL	Monotypic. Mayr & Diamond, 2001, Higgins et al, 2008.
Red-collared Myzomela	Myzomela rosenbergii	Delete subspecies wahgiensis	DEL	Subspecies wahgiensis is included in the nominate subspecies. Higgins et al, 2008. Beehler & Pratt, 2016.
Grey-streaked Honeyeater	Ptiloprora perstriata	Delete subspecies incerta and praedicta. Delete nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt, 2016.
Tui	Prosthemadera novaeseelandiae	Delete subspecies kermadecensis.	DEL	Subspecies kermadecensis is included in the nominate subspecies. Higgins et al, 2008, Gill et al, 2010
Plain Honeyeater	Pycnopygius ixoides	Delete subspecies simplex.	DEL	Subspecies simplex is included in proximus. Higgins et al, 2008. Beehler & Pratt,2016.
New Guinea Friarbird	Philemon novaeguineae	Delete subspecies brevipennis.	DEL	Subspecies brevipennis is included in the nominate subspecies. Higgins et al, 2008. Beehler & Pratt, 2016.
Yellow-tufted Honeyeater	Lichenostomus melanops	Add subspecies gippslandicus.	ADD	Higgins et al, 2008.
Noisy Miner	Manorina melanocephala	Delete subspecies lepidota.	DEL	Subspecies lepidota is included in the nominate subspecies. Higgins et al, 2008.
Varied Honeyeater	Gavicalis versicolor	Delete subspecies vulgaris and intermedius.	DEL	Subspecies vulgaris and intermedius are included in sonoroides. Higgins et al, 2008. Beehler & Pratt,2016.
Mottle-breasted Honeyeater	Meliphaga mimikae	Delete subspecies rara, granti and bastille. Delete nominate subspecies.	DEL	Treat as monotypic. Subspecies granti and bastille are synonymized with mimikae. Subspecies rara is an atypical specimen of M. analoga. Beehler & Pratt, 2016.
Elegant Honeyeater	Meliphaga cinereifrons	Delete subspecies stevensi. Delete nominate subspecies.	DEL	Treat as monotypic. Higgins et al, 2008. Beehler & Pratt, 2016.
Mountain Mouse-warbler	Crateroscelis robusta	Delete subspecies ripleyi.	DEL	Subspecies ripleyi is included in peninsularis. Beehler & Pratt, 2016.
Yellow-bellied Gerygone	Gerygone chrysogaster	Delete subspecies leucothorax and dohertyi.	DEL	Subspecies leucothorax and dohertyi are included in notata. Beehler & Pratt, 2016.
Grey-crowned Babbler	Pomatostomus temporalis	Delete subspecies strepitans.	DEL	Subspecies strepitans is synonymized with the nominate subspecies. Beehler & Pratt, 2016, Matthews, 2007.
Forest Batis	Batis mixta	Delete subspecies ultima. Delete nominate subspecies.	DEL	Treat as monotypic. Fjeldså et al, 2006
Eastern Black-headed Batis	Batis minor	Add subspecies suahelica. Add the nominate subspecies.	ADD	Louette, 2006.
Western Black-headed Batis	Batis erlangeri	Add subspecies congoensis. Add the nominate subspecies.	ADD	Louette, 2005
White-crested Helmetshrike	Prionops plumatus	Add subspecies talacoma.	ADD	Harris & Franklin, 2000, Hockey et al, 2005.
Black-crowned Tchagra	Tchagra senegalus	Delete subspecies warsangliensis.	DEL	Subspecies warsangliensis is included in habessinicus. Redman et al, 2009; Harris & Franklin, 2000
Black-backed Puffback	Dryoscopus cubla	Delete subspecies chapini.	DEL	Subspecies chapini is included in hamatus. Fry, 2009; Hockey et al, 2005
Northern Puffback	Dryoscopus gambensis	Add subspecies erwini.	ADD	Fry, 2009
Australian Magpie	Gymnorhina tibicen	Delete subspecies terraereginae.	DEL	Subspecies terraereginae is included in the nominate subspecies. Toon et al, 2007.
White-bellied Cuckooshrike	Coracina papuensis	Delete subspecies rothschildi.	DEL	Subspecies rothschildi is included in the nominate subspecies. Beehler & Pratt, 2016.
Small Minivet	Pericrocotus cinnamomeus	Delete subspecies separatus.	DEL	Subspecies separatus is included in vividus. Wells, 2007.
Mangrove Golden Whistler	Pachycephala melanura	Add subspecies violetae.	ADD	Nyári & Joseph, 2013.
Little Shrikethrush	Colluricincla megarhyncha	Delete subspecies aruensis,misoliensis, ferruginea, goodsoni,and palmeri. Also delete subspecies hybridus, trobriandi, and madaraszi.	DEL	Subspecies aruensis, misoliensis, ferruginea, goodsoni, andpalmeri are all synonymized with the nominate subspecies. Subspecies hybridus is synonymized with idenburgi, subspecies trobriandi is synonymized with fortis, and subspecies madaraszi is synonymized with neos. Beehler & Pratt, 2016.
Yellow-billed Shrike	Corvinella corvine	Delete subspecies caliginosa.	DEL	Subspecies caliginosa is included in affinis. Lefranc & Worfolk, 1997.
Red-backed Shrike	Lanius collurio	Delete subspecies kobylini. Delete nominate subspecies.	DEL	Treat as monotypic. Cramp & Perrins, 1993; Lefranc & Worfolk, 1997.
Loggerhead Shrike	Lanius ludovicianus	Delete subspecies miamensis.	DEL	Subspecies miamensis is included in the nominate subspecies. Yosef, 2008.
Southern Grey Shrike	Lanius meridionalis	Delete subspecies jebelmarrae.	DEL	Subspecies jebelmarrae is included in leucopygos. Yosef, 2008.
Yellow-browed Shrike-Vireo	Vireolanius eximius	Delete subspecies mutabilis. Delete nominate subspecies.	DEL	Treat as monotypic. Wetmore et al, 1984.
Hutton’s Vireo	Vireo huttoni	Add subspecies oberholseri.	ADD	Phillips, 1991.
Brown-capped Vireo	Vireo leucophrys	Add subspecies chiriquensis.	ADD	Wetmore et al, 1984.
Yellow-green Vireo	Vireo flavoviridis	Add subspecies hypoleucus and vanrossemi.	ADD	Corrects lapses in Dickinson, 2003.
Black-headed Shrike-babbler	Pteruthius rufiventer	Delete subspecies delacouri. Delete nominate subspecies.	DEL	Treat as monotypic. Reddy, 2008.
Southern Variable Pitohui	Pitohui uropygialis	Delete subspecies tibialis.	DEL	Subspecies tibialis is synonymized with the nominate subspecies. Beehler & Pratt, 2016.
Black-naped Oriole	Oriolus chinensis	Add subspecies stresemanni and yamamurae.	ADD	Walther & Jones, 2008
Malagasy Paradise Flycatcher	Terpsiphone mutata	Delete subspecies singetra.	DEL	Subspecies singetra is included in the nominate subspecies. Safford & Hawkins, 2013.
Frilled Monarch	Arses telescopthalmus	Delete subspecies lauterbachi.	DEL	Subspecies lauterbachi is included in henkei. Beehler & Pratt, 2016.
Mexican Jay	Aphelocoma wollweberi	Delete subspecies gracilis.	DEL	Subspecies gracilis is included in the nominate subspecies. McCormack & Brown, 2008
Eurasian Jay	Garrulus glandarius	Add subspecies persaturatus. Delete subspecies hiugaensis.	ADD, DEL	Subspecies hiugaensis is included in japonicus. Brazil, 1991. Add subspecies persaturatus per Rasmussen & Anderton, 2005, 2012.
Azure-winged Magpie	Cyanopica cyanus	Delete subspecies stegmanni, koreensis, kansuensis, interposita, and swinhoei.	DEL	Subspecies stegmanni, koreensis, kansuensis, interposita, andswinhoei are all included in the nominate subspecies. Kryukov et al, 2004.
Eurasian Magpie	Pica pica	Delete subspecies hemileucoptera.	DEL	Subspecies hemileucoptera is included in bactriana. Madge, 2009
Splendid Astrapia	Astrapia splendidissima	Add subspecies helios. Add nominate subspecies.	ADD	Beehler & Pratt, 2016.
King of Saxony Bird-of-paradise	Pteridophora alberti	Delete subspecies buergersi. Delete nominate subspecies.	DEL	Treat as monotypic. Beehler & Pratt, 2016.
Black-billed Sicklebill	Drepanornis albertisi	Delete subspecies geisleri.	DEL	Subspecies geisleri is included in the nominate subspecies. Beehler & Pratt, 2016.
Raggiana Bird-of-paradise	Paradisaea raggiana	Delete subspecies granti.	DEL	Subspecies granti is included in augustaevictoriae. Beehler & Pratt, 2016.
Coal Tit	Periparus ater	Delete subspecies abietum. Delete subspecies gaddi and chorassanicus.	DEL	Subspecies abietum is included in the nominate subspecies. Cramp, Perrins et al, 1993. Subspecies gaddi is synonymized with phaeonotus. Subspecies chorassanicus is doubtfully distinct from phaeonotus and is included in that subspecies. Kirwan & Grieve, 2010.
Japanese Tit	Parus minor	Delete subspecies kagoshimae.	DEL	Subspecies kagoshimae is included in the nominate subspecies. Brazil, 1991.
Black-headed Penduline Tit	Remiz macronyx	Delete subspecies altaicus.	DEL	Subspecies altaicus is regarded as a hybrid form between R. pendulinus menzbieri and R. macronyx neglectus. Vaurie, 1959.
Desert Lark	Ammomanes deserti	Delete subspecies coxi and darica.	DEL	Subspecies coxi is included in isabellina. Subspecies darica is included in iranica. Vaurie, 1959.
Fawn-colored Lark	Calendulauda africanoides	Delete subspecies austinrobertsi.	DEL	Subspecies austinrobertsi is included in the nominate subspecies. Hockey et al, 2005.
Karoo Lark	Calendulauda albescens	Add subspecies karruensis.	ADD	Hockey et al, 2005.
Horsfield’s Bush Lark	Mirafra javanica	Delete subspecies beaulieui.	DEL	Subspecies beaulieui is synonymous with williamsoni. Alström, 2004.
Indian Bush Lark	Mirafra erythroptera	Delete subspecies sindiana. Delete nominate subspecies.	DEL	Treat as monotypic. Alström, 2004.
Large-billed Lark	Galerida magnirostris	Delete subspecies montivaga.	DEL	Subspecies montivaga is included in harei. Alström, 2004.
Crested Lark	Galerida cristata	Delete subspecies iwanowi.	DEL	Subspecies iwanowi is included in magna. Vaurie, 1959.
Bimaculated Lark	Melanocorypha bimaculata	Delete subspecies rufescens and torquata. Delete nominate subspecies.	DEL	Treat as monotypic. Alström, 2004.
Tibetan Lark	Melanocorypha maxima	Delete subspecies flavescens and holdereri. Delete nominate subspecies.	DEL	Treat as monotypic. Alström, 2004.
Red-whiskered Bulbul	Pycnonotus jocosus	Add subspecies hainanensis.	ADD	Fishpool & Tobias. 2005.
Terrestrial Brownbul	Phyllastrephus terrestris	Add subspecies rhodesiae.	ADD	Hockey et al, 2005.
Red-tailed Bristlebill	Bleda syndactylus	Delete subspecies nandensis.	DEL	Subspecies nandensis is included in woosnami. Fishpool & Tobias, 2005.
Buff-vented Bulbul	Iole olivacea	Delete subspecies perplexa.	DEL	Subspecies perplexa is included in charlottae. Fishpool & Tobias, 2005.
Barn Swallow	Hirundo rustica	Add subspecies mandschurica.	ADD	Turner, 2004.
Moustached Grass Warbler	Melocichla mentalis	Delete subspecies incana.	DEL	Subspecies incana is included in amauroura. Ryan, 2006.
Aberrant Bush Warbler	Horornis flavolivaceus	Delete subspecies alexanderi.	DEL	Subspecies alexanderi is included in weberi. Ramussen & Anderton, 2005.
Blyth’s Leaf Warbler	Phylloscopus reguloides	Add subspecies kashmiriensis.	ADD	Rasmussen & Anderton, 2012, Clement, 2006.
Malagasy Brush Warbler	Nesillas typical	Add subspecies ellisii.	ADD	Kennerley & Pearson 2010.
Australian Reed Warbler	Acrocephalus australis	Delete subspecies carterae .	DEL	Subspecies carterae is included in gouldi. Schodde & Mason, 1999; Kennerley & Pearson, 2010.
Common Grasshopper Warbler	Locustella naevia	Delete subspecies mongolica.	DEL	Subspecies mongolica is included in straminea. Kennerley & Pearson, 2010.
Pallas’s Grasshopper Warbler	Locustella certhiola	Add subspecies minor.	ADD	Kennerley & Pearson 2010, Drovetski et al, 2004.
Evergreen Forest Warbler	Bradypterus lopezi	Add subspecies manengubae.	ADD	Syntopic with B. bangwaensis. Kennerley & Pearson 2010.
Striated Prinia	Prinia crinigera	Add subspecies assamica.	ADD	Rasmussen & Anderton, 2012.
Black-chested Prinia	Prinia flavicans	Delete subspecies ortleppi.	DEL	Subspecies ortleppi is included in the nominate subspecies. Hockey et al, 2005. Ryan et al, 2006.
Grey Apalis	Apalis cinerea	Delete subspecies funebris.	DEL	Subspecies funebris is synonymized with the nominate subspecies. Ryan et al, 2006.
Cinnamon-breasted Warbler	Euryptila subcinnamomea	Delete subspecies petrophila. Delete nominate subspecies.	DEL	Treat as monotypic. Ryan et al, 2006.
Yellow-bellied Eremomela	Eremomela icteropygialis	Delete subspecies perimacha. Add subspecies sharpei and viriditincta.	DEL, ADD	Subspecies perimacha is included in the nominate subspecies. Hockey et al, 2005.
Karoo Eremomela	Eremomela gregalis	Delete subspecies damarensis. Add subspecies albigularis.	DEL, ADD	Subspecies damarensis is included in the nominate subspecies. Hockey et al, 2005.
Rusty-cheeked Scimitar Babbler	Pomatorhinus erythrogenys	Add subspecies haringtoni.	ADD	Rasmussen & Anderton, 2012.
Coral-billed Scimitar Babbler	Pomatorhinus ferruginosus	Delete subspecies namdapha.	DEL	Subspecies namdapha is included in stanfordi.
Tawny-bellied Babbler	Dumetia hyperythra	Delete subspecies abuensis.	DEL	Subspecies abuensis is included in albogularis. Ramussen & Anderton, 2012; Collar & Robson, 2007.
Pin-striped Tit-Babbler	Macronus gularis	Delete subspecies chersonesophilus. Revise spelling of M. g. connecteus to M. g. connectens.	DEL, TAX	Subspecies chersonesophilus is included in connectens. Wells, 2007. Dickinson & Christidis, 2014.
Brown Fulvetta	Alcippe brunneicauda	Delete subspecies eriphaea. Delete nominate subspecies.	DEL	Treat as monotypic. Collar & Robson, 2007.
Yunnan Fulvetta	Alcippe fratercula	Add subspecies laotiana.	ADD	Collar & Robson, 2007.
Streaked Wren-Babbler	Napothera brevicaudata	Delete subspecies venningi.	DEL	Subspecies venningi is included in the nominate subspecies. Collar & Robson, 2007.
Eyebrowed Wren-Babbler	Napothera epilepidota	Add subspecies laotiana. Delete subspecies mendeni.	ADD, DEL	Subspecies mendeni is included in diluta. Collar & Robson, 2007.
Scaly-breasted Illadopsis	Illadopsis albipectus	Delete subspecies barakae and trensei. Delete nominate subspecies.	DEL	Treat as monotypic. Fry & Keith, 2000.
Short-tailed Babbler	Malacocincla malaccensis	Delete subspecies sordida and feriata.	DEL	Subspecies sordida and feriata are included in poliogenis. Collar & Robson, 2007.
Sulawesi Babbler	Trichastoma celebense	Delete subspecies connectens.	DEL	Subspecies connectens is included in rufofuscum. Collar & Robson, 2007.
Jungle Babbler	Turdoides striata	Delete subspecies orissae.	DEL	Subspecies orissae is included in the nominate subspecies. Collar & Robson, 2007.
Black-faced Babbler	Turdoides melanops	Delete subspecies angolensis.	DEL	Subspecies angolensis is included in the nominate subspecies. Fry & Keith, 2000.
Grey Laughingthrush	Garrulax maesi	Delete subspecies grahami. Delete nominate subspecies.	DEL	Treat as monotypic. Collar & Robson, 2007.
Greater Necklaced Laughingthrush	Garrulax pectoralis	Delete subspecies melanotis. Delete subspecies pingi.	DEL	Subspecies melanotis is included in the nominate subspecies. Subspecies pingi is considered an invalid taxon, prusumably a hybrid form between the nominate subspecies and robini. Collar & Robson, 2007.
Plain Laughingthrush	Garrulax davidi	Delete subspecies chinganicus and experrectus.	DEL	Subspecies chinganicus is included in the nominate subspecies. Subspecies experrectus is included in concolor. Collar & Robson, 2007.
Buffy Laughingthrush	Garrulax berthemyi	Delete subspecies ricinus. Delete nominate subspecies.	DEL	Treat as monotypic. Collar & Robson, 2007.
Striated Laughingthrush	Garrulax striatus	Add subspecies brahmaputra.	ADD	Collar & Robson, 2007.
Elliot's Laughingthrush	Trochalopteron elliotii	Delete subspecies prjevalskii. Delete nominate subspecies.	DEL	Treat as monotypic. Collar & Robson, 2007.
Brown-cheeked Laughingthrush	Trochalopteron henrici	Delete subspecies gucenense. Delete nominate subspecies.	DEL	Treat as monotypic. Subspecies gucenense is a presumed hybrid with T. ellioitii. Collar & Robson, 2007.
Bar-throated Minla	Minla strigula	Delete subspecies cinereigenae.	DEL	Subspecies cinereigenae is synonymized with yunnanensis. Collar & Robson, 2007.
African Hill Babbler	Pseudoalcippe abyssinica	Add subspecies ansorgei.	ADD	Collar & Robson, 2007.
Lesser Whitethroat	Sylvia curruca	Delete subspecies caucasica and telengitica.	DEL	Subspecies caucasica is included in the nominate subspecies. Subspecies telengitica is included in halimodendri. Aymí & Gargallo, 2006.
Desert Whitethroat	Sylvia minula	Delete subspecies jaxartica.	DEL	Subspecies jaxartica is included in the nominate subspecies. Aymí & Gargallo, 2006.
Hume's Whitethroat	Sylvia althaea	Delete subspecies monticola. Delete nominate subspecies.	DEL	Treat as monotypic. Aymí & Gargallo, 2006.
Tristram's Warbler	Sylvia deserticola	Delete subspecies ticehursti.	DEL	Subspecies ticehursti is regarded as an invalid taxon based on an aberrant individual. Aymí & Gargallo, 2006.
Sardinian Warbler	Sylvia melanocephala	Delete subspecies pasiphae.	DEL	Subspecies pasiphae is included in the nominate subspecies. Aymí & Gargallo, 2006.
Black-chinned Yuhina	Yuhina nigrimenta	Delete subspecies intermedia and pallida. Delete nominate subspecies.	DEL	Treat as monotypic. Collar & Robson, 2007.
Oriental White-eye	Zosterops palpebrosus	Add subspecies occidentis.	ADD	Rasmussen & Anderton, 2012.
Mountain White-eye	Zosterops montanus	Delete subspecies gilli.	DEL	Regarded as synonym of the nominate race of Z. meyeni. van Balen, 2008.
Silvereye	Zosterops lateralis	Delete subspecies macmillani.	DEL	Subspecies macmillani is synonymous with vatensis. van Balen, 2008.
Grass Wren	Cistothorus platensis	Treat subspecies boliviana as synonymous with tucumanus rather than with minimus.	TAX	Traylor 1988; Robbins and Nyári 2014.
IOC Version 6.1 (Jan 25, 2016)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Subantarctic Shearwater	Puffinus elegans	Monotypic; move ssp tunneyi to Little Shearwater P. assimilis	DEL	Austin 2004. Amsterdam and St. Paul populations confirmed to be elegans.
Black-and-red Broadbill	Cymbirhynchus macrorhynchos	Add subspecies siamensis	ADD	Wells, 2007
Dusky Broadbill	Corydon sumatranus	Delete subspecies orientalis	DEL	Subspecies orientalis is synonymized with brunnescens. Lambert & Woodcock, 1996
Malayan Banded Pitta	Hydrornis irena	Delete subspecies ripleyi. Delete nominate subspecies.	DEL	Monotypic. Clinal. Lambert & Woodcock, 1996; Wells, 2007
Rufous-banded Miner	Geositta rufipennis	Delete subspecies fragai.	DEL	Subspecies fragai is synonymized with hoyi. Darrieu & Camperi, 2006
Buff-breasted Earthcreeper	Upucerthia validirostris	Delete subspecies pallida and rufescens.	DEL	Subspecies pallida is included in jelskii. Subspecies rufescens is included in the nominate subspecies. Clinal. Areta & Pearman. 2013
Pale-legged Hornero	Furnarius leucopus	Add subspecies araguaiae.	ADD	Follows Remsen, 2003. Possibly an intergrade between tricolorand assimilis.
Rufous Hornero	Furnarius rufus	Delete subspecies schuhmacheri.	DEL	Subspecies schuhmacheri is synonymized with commersoni. Remsen, 2003
Cordilleran Canastero	Asthenes modesta	Delete subspecies navasi.	DEL	Subspecies navasi is included in australis. Remsen, 2003
Cactus Canastero	Pseudasthenes cactorum	Delete subspecies monticola andlachayensis. Delete nominate subspecies.	DEL	Monotypic. Clinal. Remsen, 2003
Ochre-cheeked Spinetail	Synallaxis scutata	Delete subspecies teretiala.	DEL	Subspecies teretiala is synonymized with the nominate subspecies. Remsen, 2003
Sooty-fronted Spinetail	Synallaxis frontalis	Delete subspecies fuscipennis and the nominate subspecies.	DEL	Monotypic. Clinal. Remsen, 2003
Pale-breasted Spinetail	Synallaxis albescens	Delete subspecies griseonota. Delete subspecies pullata.	DEL	Subspecies griseonota is included in inaequalis. Subspeciespullata is synonymous with the nominate subspecies of S. albigularis. Remsen, 2003
Azara’s Spinetail	Synallaxis azarae	Add subspecies urubambae.	ADD	Remsen, 2003
Rufous-breasted Spinetail	Synallaxis erythrothorax	Delete subspecies furtiva.	DEL	Subspecies furtiva synonymous with the nominate subspecies. Remsen, 2003.
Rusty-backed Spinetail	Cranioleuca vulpina	Delete subspecies alopecias.	DEL	Subspecies alopecias is synonymous with the nominate subspecies. Remsen, 2003.
Grey-headed Spinetail	Cranioleuca semicinerea	Delete subspecies goyana and the nominate subspecies	DEL	Monotypic. Remsen, 2003.
Wren-like Rushbird	Phleocryptes melanops	Delete subspecies juninensis.	DEL	Subspecies juninensis is synonymous with schoenobaenus.Remsen, 2003.
Streaked Tuftedcheek	Pseudocolaptes boissonneautii	Delete subspecies pallidus.	DEL	Subspecies pallidus is synonymous with medianus. Remsen, 2003
Lineated Foliage-gleaner	Syndactyla subalaris	Delete subspecies colligata andruficrissa.	DEL	Subspecies colligata and ruficrissa both included in mentalis.Remsen, 2003.
Buff-browed Foliage-gleaner	Syndactyla rufosuperciliata	Delete subspecies similis.	DEL	Subspecies similis included in cabanisi. Remsen, 2003.
Planalto Foliage-gleaner	Syndactyla dimidiata	Delete subspecies baeri and the nominate subspecies.	DEL	Monotypic. Lopes & Gonzaga, 2014.
Rufous-tailed Foliage-gleaner	Philydor ruficaudatum	Add subspecies subflavescens.	ADD	Remsen, 2003
Ruddy Foliage-gleaner	Automolus rubiginosus	Delete subspecies moderatus	DEL	Subspecies moderatus included in watkinsi. Remsen, 2003.
Grey-throated Leaftosser	Sclerurus albigularis	Add subspecies kunanensis.	ADD	Restall, 2006
Black-tailed Leaftosser	Sclerurus caudacutus	Add subspecies caligineus. Delete subspecies olivascens.	ADD, DEL	Subspecies caligineus overlooked in previous listings. Dickinson & Christidis, 2014. Subspecies olivascens included in brunneus.Clinal. Remsen, 2003.
Olivaceous Woodcreeper	Sittasomus griseicapillus	Delete subspecies harrisoni, levis, veraguensis, enochrus, and viridior.	DEL	Subspecies harrisoni is synonymous with jaliscensis. Subspecieslevis, veraguensis, and enochrus are included in sylvioides. Subspecies viridior is included in viridis. Marantz et al, 2003.
Wedge-billed Woodcreeper	Glyphorynchus spirurus	Delete subspecies sublestus.	DEL	Subspecies sublestus is synonymous with pectoralis. Marantz et al, 2003.
Strong-billed Woodcreeper	Xiphocolaptes promeropirhynchus	Delete subspecies ignotus.	DEL	Subspecies ignotus is synonymous with the nominate subspecies. Ridgely & Greenfield, 2001.
Straight-billed Woodcreeper	Dendroplex picus	Delete subspecies rufescens andbahiae. Delete subspecies borreroi.	DEL	Subspecies rufescens and bahiae are synonymous with the nominate subspecies. Subspecies borreroi is of uncertain taxonomic status. May be better assigned to peruvianus orsaturatior. Marantz et al, 2003.
Streak-headed Woodcreeper	Lepidocolaptes souleyetii	Delete subspecies insignis.	DEL	Subspecies insignis included in compressus. Marantz et al, 2003.
Narrow-billed Woodcreeper	Lepidocolaptes angustirostris	Delete subspecies dabbenei.	DEL	Subspecies dabbenei included in praedatus. Marantz et al, 2003.
Red-billed Scythebill	Campylorhamphus trochilirostris	Delete subspecies omissus andguttistriatus.	DEL	Subspecies omissus and guttistriatus both synonymous withmajor. Marantz et al, 2003.
Spot-backed Antshrike	Hypoedaleus guttatus	Delete subspecies leucogaster and the nominate subspecies.	DEL	Treat as monotypic. Clinal. Zimmer & Isler, 2003.
Black-crested Antshrike	Sakesphorus canadensis	Delete subspecies paraguanae	DEL	Listed in Dickinson, 2003 in error. Dickinson & Christidis, 2014.
Glossy Antshrike	Sakesphorus luctuosus	Delete subspecies araguayae and the nominate subspecies.	DEL	Treat as monotypic. Clinal. Zimmer & Isler, 2003
Collared Antshrike	Thamnophilus bernardi	Delete subspecies piurae and cajamarcae.	DEL	Subspecies piurae and cajamarcae are synonymous with the nominate subspecies. Zimmer & Isler, 2003
Barred Antshrike	Thamnophilus doliatus	Delete subspecies yucatanensis, pacificus, fraterculus, subradiatus,and signatus.	DEL	Subspecies yucatanensis and pacificus are synonymous withintermedius; fraterculus with the nominate and subradiatus andsignatus with radiatus. Zimmer & Isler, 2003.
Chestnut-backed Antshrike	Thamnophilus palliatus	Add subspecies vestitus.	ADD	Zimmer & Isler, 2003.
Black Antshrike	Thamnophilus nigriceps	Delete subspecies magdalenae and the nominate subspecies.	DEL	Treat as monotypic. Clinal. Zimmer & Isler, 2003.
Plain-winged Antshrike	Thamnophilus schistaceus	Delete subspecies dubius andinornatus.	DEL	Subspecies dubius and inornatus are synonymous with the nominate. Zimmer & Isler, 2003.
Variable Antshrike	Thamnophilus caerulescens	Delete subspecies subandinus, albonotatus and pernambucensis.	DEL	Subspecies subandinus is included in melanchrous; albonotatusis included in the nominate subspecies and pernambucensis is included in cearensis. All clinal. Zimmer & Isler, 2003.
Spot-crowned Antvireo	Dysithamnus puncticeps	Delete subspecies intensus, flemmingi and the nominate subspecies.	DEL	Treat as monotypic. Clinal. Zimmer & Isler, 2003.
Cinereous Antshrike	Thamnomanes caesius	Add subspecies simillimus.	ADD	Zimmer & Isler, 2003.
Checker-throated Antwren	Epinecrophylla fulviventris	Delete subspecies costaricensis, salmoni and the nominate subspecies.	DEL	Treat as monotypic. Zimmer & Isler, 2003.
Madeira Stipple-throated Antwren	Epinecrophylla amazonica	Add subspecies dentei and the nominate subspecies.	ADD	Subspecies dentei described as a species (Whitney et al. 2013e) but treated as a subspecies of E. amazonica by SACC (Proposal 589B).
Southern White-fringed Antwren	Formicivora grisea	Delete subspecies deluzae.	DEL	Subspecies deluzae is included in the nominate subspecies Zimmer & Isler, 2003
Chestnut-shouldered Antwren	Terenura humeralis	Delete subspecies transfluvialis and the nominate subspecies.	DEL	Treat as monotypic. Zimmer & Isler, 2003.
Dusky Antbird	Cercomacra tyrannina	Delete subspecies rufiventris.	DEL	Subspecies rufiventris is synonymous with nominate subspecies. Zimmer & Isler, 2003.
Black Antbird	Cercomacra serva	Delete subspecies hypomelaena and the nominate subspecies.	DEL	Treat as monotypic. Clinal. Zimmer & Isler, 2003.
Jet Antbird	Cercomacra nigricans	Delete subspecies atrata and the nominate subspecies.	DEL	Treat as monotypic. Zimmer & Isler, 2003.
White-browed Antbird	Myrmoborus leucophrys	Delete subspecies griseigula.	DEL	Subspecies griseigula is synonymous with nominate subspecies. Clinal. Zimmer & Isler, 2003.
Black-faced Antbird	Myrmoborus myotherinus	Delete subspecies napensis.	DEL	Subspecies napensis is included in elegans. Zimmer & Isler, 2003, Ridgely & Greenfield, 2001.
Band-tailed Antbird	Hypocnemoides maculicauda	Delete subspecies orientalis and the nominate subspecies.	DEL	Treat as monotypic. Zimmer & Isler, 2003.
Black-throated Antbird	Myrmeciza atrothorax	Delete subspecies obscurata and griseiventris.	DEL	Subspecies obscurata and griseiventris are both included inmelanura. Zimmer & Isler, 2003.
Blue-lored Antbird	Myrmeciza immaculate	Delete subspecies brunnea.	DEL	Subspecies brunnea is synonymous with the nominate subspecies. Donegan, 2012
White-plumed Antbird	Pithys albifrons	Delete subspecies brevibarba.	DEL	Subspecies brevibarba included in peruvianus. Clinal. Zimmer & Isler, 2003.
White-throated Antbird	Gymnopithys salvini	Delete subspecies maculatus and the nominate subspecies.	DEL	Treat as monotypic. Clinal. Zimmer & Isler, 2003.
Spotted Antbird	Hylophylax naevioides	Delete subspecies subsimilis.	DEL	Subspecies subsimilis is synonymous with the nominate subspecies.
Dot-backed Antbird	Hylophylax punctulatus	Delete subspecies subochraceus and the nominate subspecies.	DEL	Treat as monotypic. Zimmer & Isler, 2003.
Ocellated Antbird	Phaenostictus mcleannani	Delete subspecies chocoanus.	DEL	Subspecies chocoanus is synonymous with the nominate subspecies. Zimmer & Isler, 2003.
Black-faced Antthrush	Formicarius analis	Delete subspecies olivaceus.	DEL	Subspecies olivaceus is synonymous with zamorae. Zimmer & Isler, 2003.
Sooty-headed Tyrannulet	Phyllomyias griseiceps	Delete subspecies cristatus, caucae, pallidiceps, and the nominate subspecies.	DEL	Treat as monotypic. Fitzpatrick, 2004.
Forest Elaenia	Myiopagis gaimardii	Delete subspecies subcinerea.	DEL	Subspecies subcinerea included in the nominate subspecies. Clinal. Fitzpatrick, 2004.
Suiriri Flycatcher	Suiriri suiriri affinis	Suiriri suiriri burmeisteri	TAX	New subspecies name to replace S. a. affinis with the nomenclatural correction of species name of Chapada Flycatcher to S. affinis. Kirwan, et al, 2014.
Brown-capped Tyrannulet	Ornithion brunneicapillus	Delete subspecies dilutum and the nominate subspecies.	DEL	Subspecies dilutum is synonymized with the nominate subspecies. Treat as monotypic. Fitzpatrick, 2004.
Northern Beardless Tyrannulet	Camptostoma imberbe	Delete subspecies ridgwayi, thyellophilum, and the nominate subspecies.	DEL	Treat as monotypic. Fitzpatrick, 2004.
Southern Beardless Tyrannulet	Camptostoma obsoletum	Delete subspecies bogotense and venezuelae.	DEL	Subspecies bogotense is merged with caucae. Subspecies venezuelae is included in pusillum. Fitzpatrick, 2004.
White-throated Tyrannulet	Mecocerculus leucophrys	Delete Subspecies palliditergum, and gularis.	DEL	Subspecies palliditergum is merged with nigriceps. Subspecies gularis is included in setophagoides. Fitzpatrick, 2004.
Mouse-colored Tyrannulet	Phaeomyias murina	Delete subspecies ignobilis.	DEL	Subspecies ignobilis is synonymized with the nominate subspecies. Fitzpatrick, 2004.
Yellow Tyrannulet	Capsiempis flaveola	Delete subspecies amazona.	DEL	Subspecies amazona is synonymized with cerula. Fitzpatrick, 2004.
Ringed Antpipit	Corythopis torquatus	Delete subspecies subtorquatus.	DEL	Subspecies subtorquatus is synonymized with the nominate subspecies. Fitzpatrick, 2004.
Rufous-sided Pygmy Tyrant	Euscarthmus rufomarginatus	Delete subspecies savannophilus.	DEL	Subspecies savannophilus is synonymized with the nominate subspecies. Treat as monotypic. Fitzpatrick, 2004.
Grey-and-white Tyrannulet	Pseudelaenia leucospodia	Delete subspecies cinereifrons.	DEL	Subspecies cinereifrons is synonymized with the nominate subspecies. Treat as monotypic. Fitzpatrick, 2004.
Bolivian Tyrannulet	Zimmerius bolivianus	Delete subspecies viridissimus.	DEL	Subspecies viridissimus is synonymized with the nominate subspecies. Treat as monotypic. Fitzpatrick, 2004.
Variegated Bristle Tyrant	Pogonotriccus poecilotis	Delete subspecies pifanoi.	DEL	Subspecies pifanoi is synonymized with the nominate subspecies. Treat as monotypic. Fitzpatrick, 2004.
Streak-necked Flycatcher	Mionectes striaticollis	Delete subspecies selvae and poliocephalus.	DEL	Subspecies selvae is merged with columbianus and poliocephalus with the nominate subspecies. Fitzpatrick, 2004.
Olive-striped Flycatcher	Mionectes olivaceus	Delete subspecies pallidus and meridae.	DEL	Subspecies pallidus and meridae are both merged with venezuelensis. Fitzpatrick, 2004.
Ochre-bellied Flycatcher	Mionectes oleaginous	Delete subspecies obscurus, dyscolus, lutescens, chloronotus, intensus, hauxwelli, wallacei, and maynanus.	DEL	Subspecies obscurus, dyscolus, and lutescens are merged with assimilis. Subspecies chloronotus, intensus, hauxwelli, wallacei,and maynanus are synonymized with the nominate subspecies. Fitzpatrick, 2004.
McConnell’s Flycatcher	Mionectes macconnelli	Delete subspecies amazonus.	DEL	Subspecies amazonus is merged with the nominate subspecies. Fitzpatrick, 2004.
Tepui Flycatcher	Mionectes roraimae	Delete subspecies mercedesfosterae and the nominate subspecies.	DEL	Treat as monotypic. Fitzpatrick, 2004.
Sepia-capped Flycatcher	Leptopogon amaurocephalus	Delete subspecies faustus and obscuritergum.	DEL	Subspecies faustus is synonymized with pileatus, subspecies obscuritergum is synonymized with orinocensis. Fitzpatrick, 2004.
Slaty-capped Flycatcher	Leptopogon superciliaris	Delete subspecies hellmayri, transandinus, poliocephalus, venezuelensis, and pariae.	DEL	Subspecies hellmayri, transandinus, poliocephalus, venezuelensis, and pariae all merged with the nominate subspecies. Fitzpatrick, 2004.
Rufous-breasted Flycatcher	Leptopogon rufipectus	Delete subspecies venezuelanus and the nominate subspecies.	DEL	Treat as monotypic. Fitzpatrick, 2004.
Brownish Twistwing	Cnipodectes subbrunneus	Delete subspecies panamensis.	DEL	Subspecies panamensis is synonymized with the nominate subspecies. Fitzpatrick, 2004.
Ochre-lored Flatbill	Tolmomyias flaviventris	Delete subspecies collingwoodi.	DEL	Subspecies collingwoodi is merged with aurulentus. Fitzpatrick, 2004.
Stub-tailed Spadebill	Platyrinchus cancrominus	Delete subspecies timothei, dilutus, and the nominate subspecies.	DEL	Treat as monotypic. Fitzpatrick, 2004.
Say’s Phoebe	Sayornis saya	Delete subspecies pallidus.	DEL	Subspecies pallidus is merged with the nominate subspecies. Fitzpatrick, 2004.
Northern Tufted Flycatcher	Mitrephanes phaeocercus	Delete subspecies burleighi, nicaraguae, vividus, and eminulus.	DEL	Subspecies burleighi and nicaraguae are included in the nominate subspecies; subspecies vividus is merged withaurantiiventris, and subspecies eminulus is merged withberlepschi. Fitzpatrick, 2004.
Greater Pewee	Contopus pertinax	Delete subspecies pallidiventris.	DEL	Subspecies pallidiventris is included in the nominate subspecies. Clinal. Fitzpatrick, 2004.
Western Wood Pewee	Contopus sordidulus	Delete subspecies griscomi.	DEL	Subspecies griscomi is merged with the nominate subspecies. Fitzpatrick, 2004.
Vermilion Flycatcher	Pyrocephalus rubinus	Delete subspecies major.	DEL	Subspecies major is of questionable validity. Fitzpatrick, 2004.
Rufous-naped Ground Tyrant	Muscisaxicola rufivertex	Add subspecies achalensis.	ADD	Dickinson & Christidis, 2014.
Black-billed Shrike-Tyrant	Agriornis montanus	Delete subspecies leucurus. Add subspecies fumosus.	DEL,ADD	Subspecies leucurus is synonymized with maritimus. Fitzpatrick, 2004. Add subspecies fumosus following Dickinson & Christidis, 2014.
Yellow-bellied Chat-Tyrant	Silvicultrix diadema	Delete subspecies meridana andcajamarcae.	DEL	Subspecies meridana is synonymized with the nominate subspecies. Subspecies cajamarcae is synonymized withgratiosa. Fitzpatrick, 2004.
Loggerhead Kingbird	Tyrannus caudifasciatus	Delete subspecies flavescens.	DEL	Subspecies flavescens is synonymized with the nominate subspecies. Fitzpatrick, 2004.
Swainson’s Flycatcher	Myiarchus swainsoni	Delete subspecies albimarginatus.	DEL	Subspecies albimarginatus is regarded as an intergrade population between pelzelni and phaeonotus. Fitzpatrick, 2004.
Snow-capped Manakin	Lepidothrix nattereri	Add subspecies gracilis and the nominate subspecies.	ADD	Snow, 2004, Kirwan & Green, 2011.
Golden-collared Manakin	Manacus vitellinus	Delete subspecies cerritus.	DEL	Subspecies cerritus is regarded as an intergrade population between candei and vitellinus. Snow, 2004b.
Golden-headed Manakin	Dixiphia erythrocephala	Delete subspecies flammiceps.	DEL	Subspecies flammiceps is synonymized with berlepschi. Snow, 2004b.
Sharpbill	Oxyruncus cristatus	Delete subspecies tocantinsi.	DEL	Subspecies tocantinsi is synonymized with hypoglaucus. Kirwan & Green, 2011.
Masked Tityra	Tityra semifasciata	Add subspecies deses.	ADD	Fitzpatrick, 2004
White-browed Purpletuft	Iodopleura isabellae	Delete subspecies paraensis and the nominate subspecies.	DEL	Treat as monotypic. Kirwan & Green, 2011.
Jerdon’s Babbler	Chrysomma altirostre	Subspecies C. a. altirostre	EXT	Rediscovered, delete dagger (Rheindt et al. 2014)
Iberian Chiffchaff	Phylloscopus ibericus	Delete subspecies biscayensis and the nominate subspecies.	DEL	Treat as monotypic. Elias, 2004; Copete, 2008.
European Robin	Erithacus rubecula	Add subsp. nov. marionae	ADD	Dietzen et al, 2015.
Moustached Brushfinch	Atlapetes albofrenatus	Monotypic. delete nominate ssp with split of meridae	DEL	Donegan et al. 2014.
Large Cactus Finch	Geospiza conirostris	Delete subspecies darwini.	DEL	Subspecies darwini is best regarded as a hybrid form with G. magnirostris as one of the parent species. P Grant in litt, P Grant, 1986, Bowman, 1961.
IOC Version 5.4 (Oct 24, 2015)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Subantarctic Shearwater	Puffinus elegans	Includes ssp tunneyi	ADD	Follows split of P. elegans from P. assimilis
Grey-headed Swamphen	Porphyrio poliocephalus	Delete ssp caspius.	DEL	Subspecies caspius is synonymized wiseistanicus. Garcia-R & Trewcik, 2015, Roselaar (in litt.)
Pacific Kingfisher	Todiramphus sacer	Includes ssp torresianus, santoensis, juliae, erromangae, tannensis, pealei, manuae, pavuvu, mala, amoenus, sororum, solomonis, brachyurus, vicina, ornatus, utupuae, melanodera, vitiensis, eximius, regina andmarinus	ADD (21)	Follows split of T. sacer from T. collaris
Torresian Kingfisher	Todiramphus sordidus	Includes ssp pilbara and colcloughi	ADD (2)	Follows split of T. sordidus from T. collaris
Mariana Kingfisher	Todiramphus albicilla	Includes ssp owstoni and orii	ADD (2)	Follows spit of T. albicilla from T. collaris
Melanesian Kingfisher	Todiramphus tristrami	Includes ssp nusae, matthiae, stresemanni, novaehiberniae, bennetti and alberti	ADD (6)	Follows split of T. tristrami from T. collaris
Mangareva [Tuomotu] Kingfisher	Todiramphus gambieri	Monotypic (delete ssp gambieri)	DEL	Follows split of T. gertrudae from T. gambieri
Southern Silvery Kingfisher	Ceyx argentatus	Monotypic (delete ssp argentatus)	DEL	Follows split of C. flumenicola from C argentatus
North Solomons [Variable] Dwarf Kingfisher	Ceyx lepidus meeki incl pallidus	C. meeki pallidus	ADD	Pallidus was previously included C. l. meeki. Treatpallidus conservatively as a genetically distinct subspecies of C. meeki, now split (Andersen et al. 2013) They lack vocal or behavioral differences that would support species status ofpallidus (Dutson in litt).
Oriental Paradise Flycatcher	Terpsiphone affinis	Includes ssp nicobarica, burmae, indochinensis, procera, insularis, borneensis, sumbaensis and floris	ADD (8)	Follows split of T. affinis from T. paradisi
Brown Thornbill	Acanthiza pusilla	Add subspecies samueli.	ADD	Black, 2015
Northern Scrub Robin	Drymodes superciliaris	Monotypic (delete ssp superciliaris)	DEL	Follows split of D. beccarii from D. superciliaris
IOC Version 5.3 (July 22, 2015)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Newell’s Shearwater	Puffinus newelli	Delete subspecies newelli	DEL	Species is monotypic with split of Rapa Shearwater
Bearded Vulture	Gypaetus barbatus	Delete subspecies aureus.	DEL	Merge aureus with nominate subspecies. Ferguson-Lees & Christie, 2001
Purple Swamphen	Porphyrio porphyrio	With split of Purple Swamphen make the following subspecies allocations: Porphyrio porphyrio:Monotypic. Porphyrio poliocephalus:Includes caspius, seistanicus, andpoliocephalus. Porphyrio indicus:Includes viridis and indicus.Porphyrio pulverulentus: Monotypic. Porphyrio melanotus: Includesmelanopterus, pelewensis, melanotus, bellus, and samoensis.	TAX
Silver Gull	Chroicocephalus novaehollandiae	Add subspecies scopulinus	ADD	Red-billed Gull (C. scopulinus) lumped with Silver Gull
Rivoli’s [Magnificent] Hummingbird	Eugenes fulgens	Delete subspecies fulgens	DEL	Monotypic with split of E. spectabilis
Bahama Woodstar	Calliphlox evelynae	Delete subspecies evelynae	DEL	Monotypic with split of C. lyrura
Crowned Hornbill	Lophoceros alboterminatus	Delete subspecies geloensis andsuahelicus. Delete nominate subspecies.	DEL	Treat as monotypic following Kemp, 1995, 2001.
Red-bellied Pitta	Erythropitta erythrogaster	Delete subspecies thompsoni. Addsubspecies yairocho.	DEL, ADD	Subspecies thompsoni is synonymized with propinqua.Subspecies yairocho is revived, formerly synonymized witherythrogaster. Irestedt, et al, 2013,
Pale-bellied Tapaculo	Scytalopus griseicollis	Add ssp. n. morenoi.	ADD	Avendaño & Donegan, 2015
Tepui Elaenia	Elaenia olivina	Reassign subspecies davidwillardifrom E. pallatangae to E. olivina. Add nominate subspecies olivina.	TAX, ADD	Corrects previous subspecies allocation based on range distribution.
Chestnut Quail-thrush	Cinclosoma castanotum fordianum	Reassign subspecies fordianumfrom Chestnut Quail-thrush to Copperback Quail-thrush. Add nominate subspecies to C. clarum.	TAX, ADD	Corrects previous subspecies allocation (Dolman & Joseph 2015).
Australian Golden Whistler	Pachycephala pectoralis balim	Move subspecies balim from Australian Golden Whistler to Yellow-throated Whistler, P. macrorhyncha.	DEL, ADD	Molecular studies indicate that balim is sister to P. macrorhyncha (Andersen et al 2013, Jønsson et al 2014). Beehler and Pratt (ms) further split P. balim as a full species.
Gorgeous Bushshrike	Telophorus viridis	T. v. viridis, T. v. nigricauda, T. v. quartus, T. v. quadricolor.	ADD	Lump Four-colored Bushshrike (T. quadricolor; 3 subspecies) with monotypic Gorgeous Bushshrike.
Cinereous Tit	Parus cinereus intermedius	Parus major intermedius	TAX	Reassign subspecies intermedius from Cinereous Tit, P. cinereus to Great Tit, P. major. Kvist et al 2007
Black-crowned Sparrow-Lark	Eremopterix nigriceps	Delete subspecies forbeswatsoniand affinis.	DEL	Subspecies forbeswatsoni and affinis both merged withmelanauchen. Kirwan 2007; Cramp et al, 1988, Vaurie, 1959.
Reed Parrotbill	Paradoxornis heudei	Delete subspecies mongolicus.	DEL	Subspecies mongolicus merged with polivanovi. Clinal. Robson, 2007 (HBW 12).
Beijing Babbler	Rhopophilus pekinensis	Delete subspecies pekinensis	DEL	Species is monotypic with split of Tarim Babbler
Eastern Yellow Wagtail	Motacilla tschutschensis	Delete subspecies angarensis.	DEL	Intended to be deleted in an earlier update. See note under M. t.tschutschensis.
Javan Bush Warbler	Locustella montis	Add subspecies timorensis	ADD	Follows Alström et al. 2015
Elegant Euphonia	Euphonia elegantissima	Add subspecies vincens.	ADD	Omitted in error.
IOC Version 5.2 (April 23, 2015)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Dusky Megapode	Megapodius freycinet	Add subspecies forsteni, buruensis	ADD	Previously treated as a separate species, Forsten’s Megapode but see Birks & Edwards 2002, Harris et al 2014, HBW Alive
Crested Serpent Eagle	Spilornis cheela	Restore subspecies minimus	ADD	Incorrectly split with recognition of S. klossi
Square-tailed Drongo-Cuckoo	Surniculus lugubris	Reassign subspecies stewarti to Fork-tailed Drongo-Cuckoo.	TAX	Subspecific allocation follows Rasmussen & Anderton, 2012.
Fork-tailed Drongo-Cuckoo	Surniculus dicruroides	Add subspecies stewarti to Fork-tailed Drongo-Cuckoo.	TAX	Subspecific allocation follows Rasmussen & Anderton, 2012.
Andaman Hawk-Owl	Ninox affinis	Assign subspecies isolata andrexpimenti to Brown Hawk-Owl. Delete nominate race.	DEL	Andaman Hawk-Owl is not known to occur on Nicobar Is. (Rasmussen & Anderton 2012). Treat as monotypic
Brown Hawk-Owl	Ninox scutulata	Add subspecies isolata andrexpimenti to Brown Hawk-Owl.	ADD	Rasmussen & Anderton 2012
Ameline Swiftlet	Aerodramus amelis	Move subspecies palawanensisfrom Uniform Swiftlet to Ameline Swiftlet. Add nominate subspecies.	TAX	Dickinson & Remsen 2013.
Cardinal Woodpecker	Dendropicos fuscescens centralis	Dendropicos fuscescens loandae	TAX	loandae, Grant, CHB, 1915 replaces centralis, Neumann, 1900 when centralis, Reichenow, 1900 is included in the genusDendropicos. Louette & Prigogine, 1982. Fide Theo de Kok
African Grey Woodpecker	Dendropicos goertae	Add subspecies centralis	ADD	Dickinson & Remsen, 2013
Oriental Dollarbird	Eurystomus orientalis cyanicollis	Eurystomus orientalis cyanocollis	TAX	Correct original spelling. Primary source verification.
Lesser Cuckooshrike	Coracina fimbriata schierbrandii	Coracina fimbriata schierbrandi	TAX	Correct original spelling. Primary source verification.
Azure-naped Jay	Cyanocorax heilprini	Add subspecies hafferi	ADD	Described as a species. Treat as a subspecies of C. heilprini following SACC, Dickinson & Christidis, 2014. Cohn-Haft et al, 2013. HBW Special Volume.
Pink-billed Lark	Spizocorys conirostris	Delete subspecies transiens	DEL	Include transiens in nominate subspecies. Hockey, et al 2005
Maghreb Lark	Galerida macrorhyncha randoni	Galerida macrorhyncha randonii	TAX	Two original spellings. First reviser selection is randonii. David et al, 2009, Dickinson & Christidis, 2014.
Red-pate Cisticola	Cisticola ruficeps scotoptera	Cisticola ruficeps scotopterus	TAX	Correct gender agreement.
Chestnut-backed Bush Warbler	Locustella castanea muscula	Locustella castanea musculus	TAX	Subspecies epithet invariable. Dickinson & Christidis, 2014.
Long-billed Bernieria	Bernieria madagascariensis inceleber	Bernieria madagascariensis incelebris	TAX	Correct gender agreement. Dickinson & Christidis, 2014
Australian Reed Warbler	Acrocephalus australis	Move subspecies sumbae to A. australis from A. stentoreus	TAX	Dickinson & Christidis, 2014, Beehler & Pratt (in press).
Northern Rough-winged Swallow	Stelgidopteryx serripennis psammochrous	Stelgidopteryx serripennis psammochroa	TAX	Correct gender agreement. Dickinson & Christidis, 2014
Brown-eared Bulbul	Hypsipetes amaurotis harterti	Hypsipetes amaurotis nagamichii	TAX	Includes harterti as a synonym. Permanently invalid. Dickinson & Christidis, 2014
Red-vented Bulbul	Pycnonotus cafer saturatus	Pycnonotus cafer wetmorei	TAX	Includes saturatus as a synonym. Permanently invalid. Dickinson & Christidis, 2014
Yellow-vented Bulbul	Pycnonotus goiavier yourdini	Pycnonotus goiavier gourdini	TAX	Based on “Turdoïde de gourdin” of Homblon & Jacquinot, 1844. Referenced in Gray, 1847. See Mayr & Greenway, 1960 (Peters Checklist, IX)
Olive-winged Bulbul	Pycnonotus plumosus insularis	Pycnonotus plumosus hachisukae	TAX	Includes insularis as a synonym. Permanently invalid. Dickinson & Christidis, 2014.
Reed Parrotbill	Paradoxornis heudei	Add subspecies polivanovi andmongolicus.	ADD	Northern Parrotbill, P. polivanoi, is lumped with Reed Parrotbill. Penhallurick and Robson 2009, HBW Alive.
Chinese Nuthatch	Sitta villosa	Add subspecies corea	ADD	Dickinson & Christidis, 2014
Cape Weaver	Ploceus capensis	Delete subspecies rubricomus and olivaceus. Delete nominate subspecies.	DEL	Treat as monotypic. Hockey et al, 2005, Craig, 2010.
Common Chaffinch	Fringilla coelebs	Add subspecies harterti	ADD	Newly described. Svensson, 2015.
Eurasian Bullfinch	Pyrrhula pyrrhula europoea	Pyrrhula pyrrhula europaea	TAX	Correct original spelling. Dickinson & Christidis, 2014.
House Finch	Haemorhous mexicanus rhodopnus	Haemorhous mexicanus sonoriensis	DEL	Subspecies sonoriensis includes rhodopnus. Badyaev et al, 2012
Black-throated Canary	Crithagra atrogularis impiger	Crithagra atrogularis impigra	TAX	Correct gender agreement.
Reichard’s Seedeater	Crithagra reichardi striatipecta	Crithagra reichardi striatipectus	TAX	Subspecies epithet invariable.
Common Linnet	Linaria cannabina nana	Linaria cannabina guentheri	TAX	Includes nana as a synonym. Permanently invalid. Dickinson & Christidis, 2014.
European Goldfinch	Carduelis carduelis major	Carduelis carduelis frigoris	TAX	Includes major as a synonym. Permanently invalid. Dickinson & Christidis, 2014
Spinus	Multiple taxa	Multiple taxa	TAX	Correct gender end of multiple taxa to masculine. Overlooked when Spinus was split from Carduelis.
Common Yellowthroat	Geothlypis trichas	Delete subspecies riparia.	DEL	Include riparia in modesta. Guzy & Ritchison. 1999
Three-striped Warbler	Basileuterus tristriatus	Add subspecies sanlucasensis	ADD	Newly described. Salaman, 2015.
Yellow-breasted Chat	Icteria virens	Delete subspecies tropicalis	DEL	Merge tropicalis with auricollis. Eckerle & Thompson. 2001.
Eastern Meadowlark	Sturnella magna	Delete subspecies quinta. Add subspecies monticola.	DEL, ADD	Include quinta in monticola. Fraga, 2011.
Yellow-bellied Seedeater	Sporophila nigricollis vivida	Sporophila nigricollis olivacea	DEL	Includes vivida as a synonym. Dickinson & Christidis, 2014.
IOC Version 5.1 (Jan 15, 2015)
SPECIES	PREVIOUS VERSIONS	PROPOSED CHANGE	CODE	NOTES & SOURCES
Musk Duck	Biziura lobata	Add subspecies menziesi. Add nominate subspecies.	ADD	Guay et al, 2010, McCracken, et al, 2002.
Elegant Quail	Callipepla douglasii	Add subspecies vanderbilti	ADD	Dickinson & Remsen, 2013.
Northern Bobwhite	Colinus virginianus	Delete subspecies marilandicus andmexicanus.	DEL	Included in the nominate. Brennan et al, 2014. (contra Brennan, 1999).
Rusty-breasted Cuckoo	Cacomantis sepulcralis	Add subspecies everetti.	ADD	Dickinson et al, 1991, Payne, 1997 (contra Payne, 2005).
Silktail	Lamprolia victoriae kleinschmidti	L. v. klinesmithi	TAX	Correct subspecies name from invalid emendation kleinschmidti to original spelling klinesmithi(Dickinson & Christidis, 2014)
Zimmer’s Flatbill	Tolmomyias assimilis	Add subspecies sucunduri.	ADD	Described as a species. Treat as a subspecies of T. assimilispending further clarification of the T. assimilis species complex. Whitney et al, 2013. HBW Special Volume.
Velvety Black Tyrant	Knipolegus nigerrimus hoflingi	Knipolegus nigerrimus hoflingae	TAX	Change to feminine genitive. Dickinson & Christidis, 2014.
Cinereous Ground Tyrant	Muscisaxicola cinereus argentina	Muscisaxicola cinereus argentinus	TAX	Correct gender agreement. Dickinson & Christidis, 2014.
Chaco Earthcreeper	Tarphonomus certhioides luscinius	Tarphonomus certhioides luscinia	TAX	Subspecies epithet invariable. Dickinson & Christidis, 2014.
Splendid Fairywren	Malurus splendens musgravi	Malurus splendens callainus	TAX	Taxonomy and nomenclature unsettled. Defer to older name attributed to this form. Dickinson & Christidis, 2014.
Mangrove Golden Whistler	Pachycephala melanura	Delete whitneyi.	DEL	ssp whitneyi, formerly treated as a subspecies of P. melanura, regarded as an interspecific hybrid between Pachycephala orioloides bougainvillei and P. melanura. Mayr & Diamond, 2001. Dickinson & Christidis, 2014.
Scrub Greenlet	Hylophilus flavipes acuticauda	Hylophilus flavipes acuticaudus	TAX	Subspecies epithet invariable. Original spelling. Dickinson & Christidis, 2014.
Northern Variable Pitohui	Pitohui kirhocephalus	Delete stramineipectus	DEL	Included in rubiensis. Dickinson & Christidis, 2014.
Black-headed Oriole	Oriolus larvatus additus	Oriolus larvatus tibicen	TAX	Replacement name additus Lawson, 1969, proposed for tibicen,Lawson, 1962 is not required nomenclaturally. Dickinson & Christidis, 2014.
Black-faced Woodswallow	Artamus cinereus dealbatus	Artamus cinereus inkermani	TAX	Subspecies dealbatus is synonymous with inkermani which has precedence. Dickinson & Christidis, 2014.
Maroon-breasted Philentoma	Philentoma velata coesia	Philentoma velata caesia	TAX	The original spelling "coesia" is a misspelled Latin word and must be corrected to "caesia" following H&M4 Vol. 2, Appendix 8.
Siberian Jay	Perisoreus infaustus	Add rogosowi. Delete ostjakorum, ruthenus, tkachenkoi, andyakutensis	TAX, ADD, DEL	rogosowi replaces synonymous ostjakorum. ruthenus merged with nominate. tkachenkoi, and yakutensis merged withsibericus. Dickinson & Christidis, 2014.
California Scrub Jay	Aphelocoma californica	Delete cactophila.	DEL	Included in hypoleuca. Curry et al, 2002.
Fiji Shrikebill	Clytorhynchus vitiensis compressirostris	Clytorhynchus vitiensis brunneus	TAX	brunneus (Ramsay, 1875) has precedence over compressirostris(Layard, 1876)
Long-tailed Paradigalla	Paradigalla carunculata intermedia	Delete intermedia. Delete nominate subspecies.	DEL, TAX	Treat as monotypic. P. c. intermedia doubtfully recognizable and better treated within Short-tailed Paradigalla as a synonym. (Frith & Beehler, 1998, Gregory comm.).
Olive Sunbird	Cyanomitra olivacea	Delete vincenti and lowei	DEL	Included in ragazzii. Cheke & Mann, 2008.
Marico Sunbird	Cinnyris mariquensis	Delete ovamboensis and lucens	DEL	Included in the nominate. Cheke & Mann, 2008.
White-bellied Sunbird	Cinnyris talatala	Delete arestus and nominate subspecies.	DEL	Treat as monotypic. Cheke & Mann, 2008.
Asian Golden Weaver	Ploceus hypoxanthus hymenaicus	Ploceus hypoxanthus chryseus	TAX	Contra Deignan, 1947, chryseus Hume, 1878 is available. Pittie & Dickinson, 2008.
African Pipit	Anthus cinnamomeus spurius	Anthus cinnamomeus spurium	TAX	Invariable.
Seaside Sparrow	Ammodramus maritimus	Delete juncicola.	DEL	Included in peninsulae. Post & Greenlaw, 2009.

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salvadorii

IOC World Bird List

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