Updates: Candidates

This page lists Proposed Splits (PS) and Newly Described Species (NEW) that are candidates for addition to the IOC World List. Accepted Splits (AS) will be added to the World List. Others will be deleted (DEL) or retained for future reconsideration.

Category

Suggested English Name

Scientific Name

Proposed Split From

Source

 

 

 

 

 

 

PS

Magdalena Tinamou

Crypturellus saltuarius

Red-legged Tinamou

C. erythropus

Collar et al 1992

PS

Archer’s Francolin 

Scleroptila lorti

Orange River Francolin

S. levaillantoides

Await results of Mandiwana-Neudani et al (unpubl)[Bowie2010]

PS

Sicilian Partridge

Alectoris whitakeri

Rock Partridge

A. graeca

Randi et al 2003

AS 2.4

Rubeho Forest Partridge

Xenoperdix obscurata

Udzungwa Forest Partridge

X. udzungwensis

Bowie & Fjeldså 2005

AS 2.3

Hainan Peacock-Pheasant

Polyplectron katsumatae

Grey Peacock-Pheasant

P. bicalcaratum

Chang et al. 2008

PS

Malay Argus

Rheinardia nigrescens

Crested Argus

R. ocellata

Sibley and Monroe 1990, F. Rheindt 2009 (good, needs documentation)

PS

Pacific Eider

Somateria v-nigrum

Common Eider

S. mollissima

Garner & Millington 2010, Livezey 1995

AS 2.4

Desertas Petrel

Pterodroma deserta

Fea's Petrel

P. feae

Robb and Mullarney 2008, Jesus et al. 2009

PS

Scopoli's Shearwater

Calonectris diomedea

Cory's Shearwater

C. (diomedea) borealis

Robb and Mullarney 2008

PS

Boyd's Shearwater

Puffinus boydi

Macaronesian Shearwater

P. baroli

Robb and Mullarney 2008

PS

Mediterranean Storm Petrel

Hydrobates melitensis

European Storm Petrel

H. pelagicus

Robb and Mullarney 2008

PS

Grant's Storm Petrel

Oceanodroma sp nov

Band-rumped Storm Petrel

O. castro

Robb and Mullarney 2008

AS 2.3

Cape Verde Storm Petrel

Oceanodroma jabejabe

Band-rumped Storm Petrel

O. castro

Bolton 2007

PS

South Georgia Shag

Leucocarbo georgianus   

Imperial Shag

L.atriceps

Orta 1992, Jaramillo 2003

PS

Antarctic Shag

Leucocarbo bransfieldensis 

Imperial Shag

L. atriceps

Orta 1992, Jaramillo 2003

PS

Heard Shag

Leucocarbo nivalis

Imperial Shag

L. atriceps

Orta 1992, Jaramillo 2003

PS

Crozet Shag

Leucocarbo melanogenis

King Shag

L. albiventer

Orta 1992, Jaramillo 2003

PS

Macquarie Shag

Leucocarbo purpuracens

King Shag

L. albiventer

Orta 1992, Jaramillo 2003

PS

Yellow-billed Kite

Milvus aegyptius

Black Kite

M.migrans

Johnson et al. 2005, await full analysis (Bowie 2010)

PS

Red-bellied Hawk

Buteo elegans

Red-shouldered Hawk

B. lineatus

Navarro-Sigüenza & Peterson 2004, Hull et al 2008

PS

Archer's Buzzard

Buteo archeri

Augur Buzzard

B. augur

Riesing et al 2003, HBW, Await full analysis of B. augur plumages (Bowie 2010)

PS

Socotra Buzzard

Buteo socotraensis

Common Buzzard

B. buteo

Porter & Kirwan 2010

AS 2.4

Pinsker's Hawk-Eagle

Nisaetus pinskeri

Philippine Hawk-Eagle

N. philippensis

Haring et al. 2007, Gamauf et al. 2005ab

PS

Name? Rail

Laterallus salinasi

Black Rail

L..jamaicensis

Jaramillo 2003

AS 2.5

Common Gallinule

Gallinula galeata

Common Moorhen

G. chloropus

Groenenberg et al 2008, SACC Proposal 416 passed

PS

Forest Dove

Columba simplex

Lemon Dove

C. larvata

HBW 4, AF Principe. Confirm?

AS 2.4

Brown Cuckoo-Dove

Macropygia phasianella

Slender-billed Cuckoo-Dove

M. amboinensis

HBW 4, Sibley & Monroe 1990

PS

Black-banded Fruit-Dove

Ptilinopus alligator

Banded Fruit Dove

P. cinctus

HBW 4; see also Christidis & Boles 2008

PS

Western Ground Parrot

Pezoporus flaviventris

Ground Parrot

P.wallicus

Murphy et al 2009

PS

Mallee Ringneck

Barnardius barnardi

Australian Ringneck

B. zonarius

HBW 4, Juniper & Parr 1998, Forshaw date

PS

Aztec Parakeet

Aratinga astec

Olive-throated Parakeet

A. nana

Howell and Webb 1995

PS

Cliff Parakeet

Myiopsitta luchsi

Monk Parakeet

M. monachus

Collar 1997; SACC rejected for insufficient publ. data

AS 2.4

Tres Marias Amazon

Amazona tresmariae

Yellow-headed Amazon

A. oratrix

Navarro-Sigüenza & Peterson 2004, Eberhard & Birmingham 2004

PS

Burchell's Coucal

Centropus burchellii

White-browed Coucal

C.superciliosus

Roberts, 7th ed

PS

Green Brush Cuckoo

Cacomantis virescens 

Rusty-breasted Cuckoo

C. sepulcralis

Payne MS

PS

Bronze Brush Cuckoo

Cacomantis aeruginosus

Rusty-breasted Cuckoo

C. sepulcralis

Payne MS

PS

American Barn Owl

Tyto furcata

Western Barn Owl

T. alba

Split from alba by Wink et al 2009.

PS

Chestnut Owlet

Glaucidium castaneum

African Barred Owlet

G. capense

HBW 5, König & Becking 2009

PS

Etchecopar's Owlet

Glaucidium etchecopari

African Barred Owlet

G. capense

König & Weick 2009

PS

Cape Pygmy Owl

Glaucidium hoskinsii

Mountain Pygmy Owl

G. gnoma

Howell and Webb 1995, König et al. 1999

AS 2.4

Northern Boobook

Ninox japonica

Brown Hawk-Owl

N. scutulata

King 2002

AS 2.4

Chocolate Boobook

Ninox randi

Brown Hawk-Owl

N. scutulata

King 2002

PS

Mexican Whip-poor-will

Caprimulgus arizonae

[Eastern] Whip-poor-will

C.vociferus

NACC Proposal 2009-D-12

PS

Tumbes Swift

Chaetura ocypetes

Short-tailed Swift

C. brachyura

Ridgely & Greenfield 2001

PS

Wedge-tailed Saberwing

Campylopterus pampa

[Curve-winged Sabrewing]

C. curvipennis

Navarro-Sigüenza & Peterson 2004, Peterson & Navarro-Sigüenza 2009

PS

Mexican Hermit

Phaethornis mexicanus

Long-billed Hermit

P. longirostris

Howell and Webb 1995

PS

Tapajos Hermit

Phaethornis aethopyga

Black-throated Hermit

P. atrimentalis

Piacentini et al 2009

PS

Salvin's Emerald

Chlorostilbon salvini

Blue-tailed Emerald

C. mellisugus

Howell  and Webb 1995

NEW

Black-capped Woodnymph

Thalurania nigracapilla

Valdés-Velásquez and Schuchmann 2009

DEL 2.6

Needs English Name

Amazilia graysoni

Cinnamon Hummingbird

A. rutila

Navarro-Sigüenza & Peterson 2004; no current traction

DEL 2.6

Needs English Name

Amazilia villadai

Green-fronted Hummingbird

A. viridifrons

Peterson & Navarro-Sigüenza 2000;no current traction

DEL 2.6

Needs English Name

Lampornis salvini

Amethyst-throated Mountaingem

L. amethystinus

Navarro-Sigüenza & Peterson 2004;no current traction

AS 2.5

Blue-crowned Motmot

Momotus coeruliceps

Blue-crowned Motmot

M. momota

Navarro-Sigüenza & Peterson 2004, Stiles 2009

AS 2.5

Blue-diademed Motmot

Momotus lessoni

Blue-crowned Motmot

M. momota

Stiles 2009

AS 2.5

Whooping Motmot

Momotus subrufescens

Blue-crowned Motmot

M. momota

Stiles 2009

AS 2.5

Trinidad Motmot

Momotus bahamensis

Blue-crowned Motmot

M. momota

Stiles 2009

AS 2.4

Indochinese Barbet

Megalaima annamensis

Black-browed Barbet

M. oorti

Collar 2006b, Finestein et al. 2008

PS

Streaky-throated Barbet

Tricholaema  flavipunctata

Hairy-breasted Barbet

T. hirsuta

Distinct taxa, but contact zone needs study (Bowie 2010)

PS

[Baja Woodpecker]

Melanerpes angustifrons

Acorn Woodpecker

M. formicivorus

Navarro-Sigüenza & Peterson 2004, Honey-Escandón et al 2008

AS 2.4

Melancholy Woodpecker

Dendropicos lugubris

Gabon Woodpecker

D. gabonensis

HBW 7, Sibley and Monroe 1990

AS 2.4

Eastern Grey Woodpecker

Dendropicos spodocephalus

African Grey Woodpecker

D. goertae

HBW 7, Redman et al 2009; "Grey-headed Woodpecker is preoccuped by Picus canus

PS

Two-banded Puffbird

Hypnelus bicinctus

Russet-throated Puffbird

H. ruficollis

Rasmussen and Collar 2002; SACC needs proposal

AS 2.1

Chaco Puffbird

Nystalus striatipectus

Caatinga Puffbird

N. maculatus

Silva 1991

PS

Palkachupa Cotinga

Phibalura boliviana

Swallow-tailed Cotinga

P. flavirostris

Brumfield et al 2004; SACC doesn't acknowledge

PS

White-tailed Tityra

Tityra leucura

Black-crowned Tityra

T. inquisitor

Whittaker 2008

PS

White-fronted Tyrannulet

Phyllomyias leucogonys

White-fronted (Zeledon's) Tyrannulet

P. zeledoni

Stiles and Skutch 1989; SACC needs proposal

AS 2.5

Straneck's Tyrannulet

Serpophaga griseicapilla

White-bellied Tyrannulet

S. munda

Straneck 2007, SACC 419

AS 2.5

Ticking Doradito

Pseudocolopteryx citreola 

Warbling Dorito

P. flaviventris

Abalos and Areta 2009, SACC 420

DEL 2.6

Bahia Wagtail-Tyrant

Stigmatura bahiae

Lesser Wagtail-Tyrant

S. napensis

Stotz et al. 1996; await resolution of multiple species complex (fide B. Whitney)

DEL 2.6

Caatinga Wagtail-Tyrant

Stigmatura gracilis

Greater Wagtail-Tyrant

S. budytoides

Brammer 2002; await resolution of multiple species complex (fide B. Whitney)

DEL 2.6

Yellow-rumped Myiobius

Myiobius mastacalis

Whiskered Myiobius

M. barbatus

Ridgely & Tudor 1994; no current traction

PS

Darwin's Flycatcher

Pyrocephalus nanus

Vermilion Flycatcher

P. rubinus

SACC

PS

Puerto Rican Kingbird

Tyrannus taylori

Loggerhead Kingbird

T. caudifasciatus

Garrido et al 2009; looks good; genetics?, AOU?

PS

Hispaniolan Kingbird

Tyrannus gabbii

Loggerhead Kingbird

T. caudifasciatus

Garrido et al 2009; looks good; genetics?,AOU?

PS

Venezuelan Antvireo

Dysithamnus tucuyensis

Plumbeous Antvireo

D. plumbeus

Hilty 2003, cf Isler et al.2008

AS 2.4

Paramo Tapaculo

Scytalopus opacus

Paramillo Tapaculo

S. canus

Krabbe & Cadena 2010

PS

Panamanian Antthrush

F. hoffmanni

Black-faced Antthrush

F. analis

Davis 1972, Krabbe & Schulenberg 2003

NEW

Urrao or Fenwick's Antpitta

Grallaria urraoensis or G. fenwickorum

 

 

Barrera et al. 2010, Carantón-Ayala and Certuche-Cubillos 2010, Cadena & Stiles 2010

PS

Leymebamba Antpitta

Grallaricula leymebambae

Rusty-breasted Antpitta

G. ferrugineipectus

Krabbe & Schulenberg 2003

PS

Sucre Antpitta

Grallaricula cumanensis

Slaty-crowned Antpitta

G.nana

Donegan 2008

PS

Guianan Antpitta

Grallaricula kukenamensis

Slaty-crowned Antpitta

G.nana

Donegan 2008

PS

Chinchipe Spinetail

Synallaxis chinchipensis

Necklaced Spinetail

S. stictothorax

Ridgely & Tudor 1994; Ridgely & Greenfield 2001

AS 2.2

Santa Marta Foliage-gleaner

Automolus rufipectus

Ruddy Foliage-gleaner

A. rubiginosus

Krabbe 2008, SACC accepts June 2009

PS

Mallee Whipbird

Psophodes leucogaster

Western Whipbird

P. nigrogularis

Christidis & Boles 2008

PS

West African Batis

Batis occulta

Fernando Po Batis

B. poensis

Sibley and Monroe 1990;

PS

West African Wattle-eye

Platysteira hormomorpha

Chestnut Wattle-eye

P. castanea

Njabo et al. 2008

PS

Anchieta's Tchagra

Bocagia anchietae

Marsh Tchagra

B. minuta

Bowie et al 2005

AS 2.4

Tropical Boubou

Laniarius major

Ethiopian Boubou

L. aethiopicus

Nguembock et al. 2008

PS

Silver-backed Butcherbird

Cracticus argenteus

Grey Butcherbird

C. torquatus

Schodde & Mason 1999; cf Christidis & Boles 2008

PS

Northern Shriketit

Falcunculus whitei

Crested Shriketit

F. frontatus

Schodde and Mason 1999

PS

Western Shriketit

Falcunculus leucogaster

Crested Shriketit

F. frontatus

Schodde and Mason 1999

PS

Grey-headed Whistler

Pachycephala griseiceps

Grey Whistler

P. simplex

HBW 12, cf Christidis & Boles 2008

PS

Tibetan Grey Shrike

Lanius giganteus

Chinese Grey Shrike

L. sphenocercus

Olsson et al 2009

PS [Asian Golden Oriole] Oriolus diffusus Black-naped Oriole O.chinensis Jønsson et al 2010
PS [Sunda Golden Oriole] Oriolus maculatus Black-naped Oriole O.chinensis Jønsson et al 2010

AS 2.4

Sumatran Drongo

Dicrurus sumatranus

Hair-crested Drongo

D. hottentottus

Sibley & Monroe 1990,  King1997

AS 2.4

Wallacean Drongo

Dicrurus densus

Hair-crested Drongo

D. hottentottus

Sibley & Monroe 1990, King 1997

PS

Tablas Drongo

Dicrurus menagei

Hair-crested Drongo

D. hottentottus 

Allen 2006,  Rocamora & Yeatman-Berthelot 2009.

PS

Pale-blue Monarch

Hypothymis puella

Black-naped Monarch

H. azurea

King 1997, HBW 11, more data needed

PS

Loetoe Monarch

Carterornis (Monarcha) castus

White-naped Monarch

C.  pileatus

King 1997, BLI 1.0; cf Dickinson 2003, HBW 11

PS

[Wollweber's Jay]

Aphelocoma wollweberi

Mexican Jay

A. ultramarina

Navarro-Sigüenza & Peterson 2004, McCormack et al 2008

PS

[Gray-breasted Jay]

Aphelocoma potosina

Mexican Jay

A. ultramarina

Navarro-Sigüenza & Peterson 2004, McCormack et al 2008

AS 2.5

Woodhouse's Scrub Jay

Aphelocoma woodhouseii

Western Scrub Jay

A. californica

Delaney et al. 2008,AOU proposal 2009-A-02 split vote (7 Yes/5 No)

PS

Sumichrast's Scrub Jay

Aphelocoma sumichrasti

Woodhouse's Scrub Jay

A. woodhouseii

Delaney et al. 2008, AOU proposal 2009-A-02 split vote (5/7) with request for study of contact zone

PS

Oriental Crow

Corvus orientalis

Carrion Crow

C. corone

Haring et al. 2007; probably good, but await vocals etc

PS

Black Sawwing

Psalidoprocne holomelas

Blue Sawwing

P. pristoptera

Roberts, 7th ed; await full revision of sawwing complex (Ryan 2010)

PS

Eastern Sawwing

Psalidoprocne orientalis

Blue Sawwing

P. pristoptera

Roberts, 7th ed; await full revision of sawwing complex (Ryan 2010)

PS

Ridgway's Swallow

Stelgidopteryx ridgwayi

Northern Rough-winged Swallow

S. serripennis

Babin 2005, Navarro-Sigüenza & Peterson 2004

PS

Sharpe's Lark

Mirafra sharpii

Rufous-naped Lark

M. africana

Sinclair and Ryan 2003

AS 2.4

Rubeho Warbler

Scepomycter rubehoensis

Winifred's Warbler

S.winifredae

Bowie, Fjeldså & Kiure 2009

PS

Sakhalin Warbler

Locustella amnicola

Gray's Grasshopper Warbler

L. fasciolata

King 1997; cf Dickinson 2003, HBW 11 w comments

PS

Indian Reed Warbler

Acrocephalus brunnescens

Clamorous Reed Warbler

A. stentoreus

Rasmussen & Anderton 2005

PS

Caspian Reed Warbler

Acrocephalus fuscus

Eurasian Reed Warbler

A. scirpaceus

Leisler et al. 1997

PS

Mangrove Reed Warbler

Acrocephalus avicenniae

African Reed Warbler

A. baeticatus

Leisler et al. 1997

PS

Margelanic Whitethroat

Sylvia margelanica

Desert Whitethroat

S. minula

Shirihai et al 2001

PS

Tenerife Goldcrest

Regulus teneriffae

Goldcrest

R. regulus

Clarke 2006, Clements 2008, Dutch Checklist Comm

AS 2.5

Western Winter Wren

Troglodytes pacificus

Eastern Winter Wren

T.hiemalis

Toews and Irwin 2008; AOU proposal 2009-A-03

AS 2.5

Eastern Winter Wren

Troglodytes hiemalis

Eurasian Wren

T. stroglodytes

NACC Proposal 2009-E-1

PS

Maranon Gnatcatcher

Polioptila maior

Tropical Gnatcatcher

P. plumbea

Atwood & Lerman 2006

PS

Palmer's Thrasher

Toxostoma palmeri

Curve-billed Thrasher

T. curvirostre

Rojas-Soto 2003, Rojas-Soto et al 2007; AOU Proposal 2009-D-11

PS

St. Vincent Solitaire

Myadestes sibilans

Rufous-throated Solitaire

M. genibarbis

REF NEEDED

PS

Lesser Antillean Thrush

Turdus personus

Cocoa Thrush

T. fumigatus

Meyer de Schauensee 1966, SACC

PS

Grayson's Thrush

Turdus graysoni

Rufous-backed Thrush

T. rufopalliatus

Phillips 1981; Howell & Webb 1995; AOU 1998

AS 2.4

Usambara Thrush

Turdus roehli

Olive Thrush

T. olivaceus

Bowie et al 2005

AS 2.4

Madagascar Stonechat

Saxicola sibilla

African Stonechat

S. torquatus

Woog et al 2008

AS 2.4

Stejneger's Stonechat

Saxicola stejnegeri

Siberian Stonechat

S. maurus

Zink et al 2009

PS

Bornean Forktail

Enicurus borneensisis

White-crowned Forktail

E. leschenaulti

Moyle et al. 2005; also split Javan and n Chinese ssp ? (Rheindt 2009) REFS;

PS

Persian Wheatear

Oenanthe persica

Mourning Wheatear

O. lugens

Förschler et al 2010

PS

Brown-streaked Flycatcher

Muscicapa williamsoni

Asian Brown Flycatcher

M. dauurica

King 1997; HBW 12

AS 2.3

Kordofan Sparrow

Passer cordofanicus

Kenya Sparrow

P. rufocinctus

Fry and Keith 2004

AS 2.3

Shelley's Sparrow

Passer shelleyi

Kenya Sparrow

P. rufocinctus

Fry and Keith 2004, Nigel et al 2009

PS

White-capped Munia

Lonchura ferruginosa

Tricolored Munia

L. malacca

BLI 1.0, Restall 1997

PS

New Hanover Munia

Lonchura nigerrima

Hunstein's Mannikin

L. hunsteini

BLI 1.0, Gregory 2009; cf Restall 1997

PS

South Hills Crossbill

Loxia sinesciuris

Red Crossbill

L. curvirostra

Benkman et al. 2009; AOU proposal 2009-A-10 failed w split vote

AS 2.4

Black-fronted Warbler

Dendroica nigrifrons

Yellow-rumped Warbler

D. coronata

Milá et al 2007a

AS 2.4

Goldman's Warbler

Dendroica goldmani

Yellow-rumped Warbler

D. coronata

Milá et al 2007a

AS 2.4

Audubon's Warbler

Dendroica auduboni

Yellow-rumped Warbler

D. coronata

Milá et al 2007a, Brelsford and Irwin 2009

AS 2.5

Bahama Warbler

Dendroica flavescens

Yellow-throated Warbler

D.dominica

McKay, Reynolds, Hayes & Lee 2010;

PS

Roraiman Warbler

Basileuterus roraimae

Two-banded Warbler

B. bivittatus

Hilty 2003

PS

Variable Oriole

Icterus pyrrhopterus

Epaulet Oriole

I. cayanensis

D´Horta et al 2008

PS

Moriche Oriole

Icterus chrysocephalus

Epaulet Oriole

I. cayanensis

Jaramillo & Burke 1999; Ridgely & Greenfield 2001

PS

Tres Marias Oriole

Icterus graysoni

Streak-backed Oriole

I. pustulatus

Navarro-Sigüenza & Peterson 2004

PS

Lilian's Meadowlark

Sturnella lilianae

Eastern Meadowlark

S. magna

Barker et al. 2008; resolve member subspecies

PS

Bahama Bananaquit

Coereba bahamensis

Bananaquit

C. flaveola

Bellemain et al 2008

PS

Needs English Name

Coereba bartholemica

Bananaquit

C. flaveola

Bellemain et al 2008

PS

Guatemalan Junco

Junco alticola

Yellow-eyed Junco

J. phaeonotus

Milá et al 2006, Milá et al 2007b

PS

Timberline Sparrow

Spizella taverneri

Brewer's Sparrow

S. breweri

Klicka et al 1999,2001; Mayr and Johnson 2001

PS

Blue-streaked Mountain Tanager

Dubusia stictocephala

Buff-breasted Mountain Tanager

D. taeniata

Robbins et al 2009 SACC proposal #392 failed

PS

XXX Warbling Finch

Poospiza pectoralis

Ringed Warbling Finch

P. torquata

Lougheed et al. 2000

PS

White-fronted Bush Tanager

Chlorospingus albifrons 

Common Bush Tanager

C. ophthalmicus

Sanchez-Gonzáles et al 2007, Bonaccorso et al 2008, Weir et al 2008

PS

Wetmore's Bush Tanager

Chlorospingus wetmorei

Common Bush Tanager

C. ophthalmicus

Sanchez-Gonzáles et al 2007, Bonaccorso et al 2008, Weir et al 2008

ENG, DIS

Brown-headed Bush Tanager

Chlorospingus ophthalmicus

Common Bush Tanager

Sensu stricto

Sanchez-Gonzáles et al 2007, Bonaccorso et al 2008, Weir et al 2008

PS

Dwight's Bush Tanager

Chlorospingus dwighti

Common Bush Tanager

C. ophthalmicus

Sanchez-Gonzáles et al 2007, Bonaccorso et al 2008, Weir et al 2008

PS

Dusky-headed Bush Tanager

Chlorospingus postocularis

Common Bush Tanager

C. ophthalmicus

Sanchez-Gonzáles et al 2007, Bonaccorso et al 2008, Weir et al 2008

PS

Common Bush Tanager

Chlorospingus flavopectus

Common Bush Tanager

C. ophthalmicus

Sanchez-Gonzáles et al 2007, Bonaccorso et al 2008, Weir et al 2008