"Wisdom begins with putting the right name on a thing"
(Old Chinese Proverb)

Proposed Splits/Lumps

This page is a working list of Proposed Splits/Lumps (PS/PL) and Newly Described Species (NEW) that are candidates for addition to or deletion from the IOC World List.  Accepted Splits  (AS)  will be finalized and added to the World List with the release of the quarterly updates. Others will be retained as active candidates or deleted (DEL) with the option of future reconsideration. Decisions through 2015 are available on a separate page.

Category

English Name

Scientific Name

Proposed Split From or Lump

Source

TO DO
AS 6.3 Grey-faced Petrel Pterodroma gouldi Great-winged Petrel P. macroptera Wood et al. 2016
AS 6.3 Ainley’s Storm Petrel Oceanodroma cheimomnestes Leach’s Storm Petrel O. leucorhoa NACC 2016-C-16
AS 6.3 Townsend’s Storm Petrel Oceanodroma socorroensis Leach’s Storm Petrel O. leucorhoa NACC 2016-C-16
PS 6.3 Otago Shag Leucocarbo chalconotus Foveaux [Stewart] Shag L. stewarti Rawlence et al. 2016
AL 6.3 Caribbean Coot Fulica caribaea American Coot F. americana Caribbean Coot is a white shield color morph/ subspecies of American Coot (HBW Alive, Donegan et al. 2015, NACC 2016-A-9)
PL 6.2 Barbary Falcon Falco pelegrinoides Peregrine Falcon F. peregrinus White et al. 2013, H&M4, Fuchs et al. 2015, HBW Alive, Wink 2015
PS 5.4 Tepui Nightjar Systellura roraimae Band-winged Nightjar S. longirostris Cleere 2010, SACC 677B 6/3
PS 5.4 Rufous-naped Nightjar Systellura ruficervix Band-winged Nightjar S. longirostris Cleere 2010, SACC 677B 6/3
AS 6.3 Cyprus Scops Owl Otus cyprius Eurasian Scops Owl O. scops Flint et al. 2015
PS 6.1 Geoffroy’s Wedgebill Schistes geoffroyi Wedge-billed Hummingbird S. albogularis HBW Alive, Donegan et al. 2015. English names?
AS 6.3 Lesser Violetear Colibri cyanotus Mexican [Green] Violetear C. thalassinus Remsen et al. 2015, NACC 2016-C-10
PS 6.1 Blue-vented Hummingbird Amazilia sophiae* Steely-vented Hummingbird A. saucerottei Stiles & Skutch 1989, McGuire et al. 2014, Jiménez & Ornelas 2015. *Previously A. s. hoffmanni
PS 6.1 Merida Sunangel Heliangelus spencei Amethyst-throated Sunangel H. amethysticollis HBW Alive, Donegan et al. 2015; “Amethystine” Sunangel?
PS 6.1 Longuemare’s Sunangel Heliangelus clarisse Amethyst-throated Sunangel H. amethysticollis HBW Alive, Donegan et al. 2015; “Amethystine” Sunangel?
PS 6.1 White-tailed Hillstar Urochroa leucura Rufous-gaped [White-tailed] Hillstar U. bougueri HBW Alive, Donegan et al. 2015; transfer English names?
PS 6.1 Perija Starfrontlet Coeligena consita Golden-bellied Starfrontlet C. bonapartei HBW Alive, Donegan et al. 2015
PS 6.1 Golden Starfrontlet Coeligena eos Golden-bellied Starfrontlet C. bonapartei HBW Alive, Donegan et al. 2015
PS 6.1 Green Inca Coeligena conradii  Collared Inca C. torquata  HBW Alive, Donegan et al. 2015
AS 6.3 Red-backed Flameback Dinopium psarodes Black-rumped Flameback D. benghalense HBW Alive, Fernando et al. 2016; Hybrid zone analysis indicates essential reproductive isolation.
SSP 6.3 Talaud Pitta Erythropitta inspeculata Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013 Collar et al. 2015; H&M4 ssp group 1. Stet ssp of erythrogaster
SSP 6.3 Sulu Pitta Erythropitta yairocho Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013. Stet ssp of erythrogaster
AS 6.3 Sula Pitta Erythropitta dohertyi Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013, Collar et al. 2013; H&M4 ssp group 2.
AS 6.3 Siao Pitta Erythropitta pallidiceps Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013, Collar et al. 2013; H&M4 ssp group 2.
AS 6.3 Sangihe Pitta Erythropitta caeruleitorques Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013, Collar et al. 2013; H&M4 ssp group 2.
AS 6.3 Sulawesi Pitta Erythropitta celebensis Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013, Collar et al. 2013; H&M4 ssp group 2.
AS 6.3 South Moluccan Pitta Erythropitta rubrinucha Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013, Collar et al. 2015. Includes  piroensis. H&M4 ssp group #4.
SSP 6.3 Seram Pitta Erythropitta piroensis Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013. Ssp of  South Moluccan Pitta
AS 6.3 Louisiade Pitta Erythropitta meeki Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013, Collar et al. 2015. H&M4 ssp group #8
AS 6.3 North Mollucan Pitta Erythropitta rufiventris Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013; Collar et al. 2015. Includes cyanonota, bernsteini, [obiensis, inornata]. H&M4 ssp group #3.
AS 6.3 Bismarck Pitta Erythropitta novaehibernicae Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013; includes extima, splendida, gazellae. H&M4 ssp group #7.
SSP 6.3 New Britain Pitta Erythropitta gazellae Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013. H&M4 ssp group #7. Ssp of Bismarck Pitta.
SSP 6.3 Tabar Pitta Erythropitta splendida Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013. H&M4 subspecies group #7. Ssp of Bismarck Pitta.
AS 6.3 Papuan Pitta Erythropitta macklotii Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013, Collar et al. 2015, Beehler & Pratt 2016). Includes habenichti, finschiiloriae/”oblita”, digglesi,[aruensis, kuehni, strenua, yorki]. H&M4 ssp group #5-6
SSP 6.3 Habenicht’s Pitta Erythropitta habenichti Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013,  Collar et al 2015. Ssp of Papuan Pitta. H&M4 ssp group #6;
SSP 6.3 D’Entrecasteaux Pitta Erythropitta finschii Philippine [Red-bellied] Pitta E. erythrogaster Irestedt et al. 2013. Collar et al 2015.  Ssp of Papuan Pitta. H&M4 ssp group #7,
SSP 6.3 Sao Paulo Antwren Stymphalornis [Formicivora] paludicola Parana [Marsh] Antwren S. acutirostris Buzzetti et al. 2013; SACC 693 3/5; subspecies for now
AS 6.3 Ayacucho Thistletail Asthenes ayacuchensis Vilcabamba Thistletail A. vilcabambae Hosner et al. 2015; SACC 697:7/0
PS 6.1 Least Vireo Vireo pusillus Bell’s Vireo V. bellii Klicka et al. 2016.
PS 6.3  Cyrenaica Blue Tit  Cyanistes cyrenaicae  African Blue Tit Cyanistes teneriffae Sangster 2006, Stervander et al. 2015, Illera et al. 2016
PS 6.3  La Palma Blue Tit Cyanistes palmensis  African Blue Tit  Cyanistes teneriffae Sangster 2006, Stervander et al. 2015, Illera et al. 2016
PS 6.3  Hierro Blue Tit  Cyanistes ombriosus  African Blue Tit  Cyanistes teneriffae Sangster 2006, Stervander et al. 2015, Illera et al. 2016
PS 6.3  Teneriffe Blue Tit Cyanistes teneriffae  African Blue Tit Cyanistes teneriffae Sangster 2006, Stervander et al. 2015, Illera et al. 2016; includes hedwigae?
PS 6.3  Gran Canaria Blue Tit Cyanistes hedwigae  African Blue Tit Cyanistes teneriffae Sangster 2006, Stervander et al. 2015, Illera et al. 2016; or subspecies of teneriffae
PS 6.3  North African Blue Tit  Cyanistes ultramarinus  African Blue Tit Cyanistes teneriffae Sangster 2006, Stervander et al. 2015, Illera et al. 2016; includes degener?
PS 6.3  Fuerteventura Blue Tit Cyanistes degener  African Blue Tit Cyanistes teneriffae Sangster 2006, Stervander et al. 2015, Illera et al. 2016; or subspecies of ultramarinus
AS 6.3 Aceh Bulbul Pycnonotus snouckaerti Orange-spotted Bulbul P. bimaculatus Eaton & Collar 2015
PS 6.3 “Mediterranean” Flycatcher Muscicapa tyrrhenica Spotted Flycatcher M. striata Pons et al. 2015
AS 6.3 Isthmian Wren Cantorchilus elutus Cabanis’s [Plain] Wren C. modestus Saucier et al. 2015, NACC 2016-C-14
AS 6.3 Canebrake Wren Cantorchilus zeledoni Cabanis’s [Plain] Wren C. modestus Stiles et al. 1989, Ridgely & Gwynne 1989, AOU 1998, Saucier et al. 2015, NACC 2016-C-14
AS 6.3 Santa Marta Wood Wren Henicorhina anachoreta Grey-breasted Wood Wren H. leucophrys  Caro et al. 2013, SACC 700 7/0; English name provisional
NEW 6.3 Himalayan Thrush Zoothera salimalii   Alström et al. 2016; ENG  Forest Thrush (Turdus lherminieri)
AS 6.3 Sichuan Thrush Zoothera griseiceps Alpine [Plain-backed] Thrush Z. mollissima Alström et al. 2016; ENG Forest Thrush (Turdus lherminieri)
SSP 6.3 Grayson’s Thrush Turdus graysoni Rufous-backed Thrush T. rufopalliatus Montaño-Rendón et al. 2015. Vocals? Stet subspecies status for now
SSP 6.3 Campina Thrush Turdus arthuri Black-billed Thrush T. ignobilis Cerqueira et al. 2016; stet PS SSP pending resolution of (unsampled) ssp ignobilis and goodfellowi.SACC?
SSP 6.3 Amazonian Thrush Turdus debilis Black-billed Thrush T. ignobilis Cerqueira et al. 2016; stet PS SSP as above. SACC?
SSP 6.3 Lilian’s Meadowlark Sturnella lilianae Eastern Meadowlark S. magna Includes auropectoralis and saundersi; NACC 2016-C-2 declined.
AS 6.3 Gran Canaria Blue Chaffinch Fringilla polatzeki [Tenerife] Blue Chaffinch F. teydea Sangster et al. 2015
PS 6.4 ‘Genovesa’ Ground Finch Geospiza acutirostris Sharp-beaked Ground Finch G. difficilis Lamichhaney et al. 2015, SACC 676A-7/1; English name provisional
PS 6.4 ‘Vampire’ Ground Finch Geospiza septentrionalis Sharp-beaked Ground Finch G. difficilis Lamichhaney et al. 2015, SACC 676A-7/1; English name provisional
PS 6.4 ‘Large’ Cactus Finch Geospiza propinqua ‘Espanola Ground’ [Large Cactus] Finch G. conirostris Lamichhaney et al. 2015, SACC 676B-7/1. G. conirostris is sister to G. magnirostris. English name provisional
NEW 6.2 Ibera Seedeater Sporophila iberaensis Di Giacomo & Kopuchian 2016; SACC proposal badly needed
DONE
AS 6.2 Sultan’s Cuckoo-Dove Macropygia doreya  Amboyna [Slender-billed] Cuckoo-Dove M. amboienensis Ng et al. 2016. Incl albicapilla, albiceps, atrata, sanghirensis, sedecima, balim. English name provisional
AS 6.2 Enggano Cuckoo-Dove Macropygia cinnamomea Ruddy Cuckoo-Dove M. emiliana Ng et al. 2016. Monotypic
AS 6.2 Barusan Cuckoo-Dove Macropygia modiglianii Ruddy Cuckoo-Dove M. emiliana Ng et al. 2016. Incl elassa, hypopercna
AS 6.2 Tanimbar Cuckoo-Dove Macropygia timorlaoensis Timor [Bar-necked] Cuckoo-Dove M. magna Ng et al. 2016. Monotypic
AS 6.2 Flores Sea Cuckoo-Dove Macropygia macassariensis Timor [Bar-necked] Cuckoo-Dove M. magna Ng et al. 2016. Incl longa
AS 6.2 Sula Cuckoo-Dove Turacoena sulaensis White-faced [Cuckoo-] Dove T. manadensis Ng & Rheindt 2016
AS 6.2 Purple-capped Fruit Dove Ptilinopus ponapensis Crimson-crowned Fruit Dove P. porphyraceus Cibois et al. 2014, Hayes et al. 2016
AS 6.2 Kosrae Fruit Dove Ptilinopus hernsheimi Crimson-crowned Fruit Dove P. porphyraceus Hayes et al. 2016
AS 6.2 Turquoise-throated Barbet Psilopogon chersonesus Blue-throated Barbet P. asiaticus Sister to P. oorti, den Tex and Leonard 2013, Clements 6.9, HBW Alive
AS 6.2 Necklaced Barbet Psilopogon auricularis Golden-throated Barbet P. franklinii den Tex and Leonard 2013, HBW Alive
AS 6.2 Coopmans’s Elaenia Elaenia brachyptera Lesser Elaenia E. chiriquensis Rheindt et al 2015; SACC 686
AS 6.2 Tan-capped Catbird Ailuroedus geislerorum White-eared Catbird A. buccoides Irestedt et al. 2015; includes molestus. English names?
AS 6.2 Ochre-breasted Catbird Ailuroedus stonii White-eared Catbird A. buccoides Irestedt et al. 2015; includes cinnamomeus. English names?
AS 6.2 Spotted Catbird Ailuroedus maculosus  Black-eared [Spotted] Catbird A. melanotis Irestedt et al. 2015
AS 6.2 Black-capped Catbird Ailuroedus melanocephalus Black-eared [Spotted] Catbird A. melanotis Irestedt et al. 2015
AS 6.2 Huon Catbird Ailuroedus astigmaticus Black-eared [Spotted] Catbird A. melanotis Irestedt et al. 2015
AS 6.2 Arfak Catbird Ailuroedus arfakianus Black-eared [Spotted] Catbird A. melanotis Irestedt et al. 2015; includes misoliensis.
AS 6.2 Northern Catbird Ailuroedus jobiensis Black-eared [Spotted] Catbird A. melanotis Irestedt et al. 2015; includes guttaticollis
AS 6.2 Temotu Whistler Pachycephala vanikorensis Fiji Whistler P. vitiensis Includes ornata and  utupae, as well as vanikorensis [from Melanesian Whistler Pachycephala chlorura](Andersen et al. 2014, Jønsson et al. 2014). Temotu is the local name of the [Santa Cruz] islands and the current and official name of that province in the Solomon Islands
AS 6.2 Grey-brown White-eye Zosterops ponapensis Kosrae [Grey-brown] White-eye Z. cinereus Hayes et al. 2016;  English name Grey-brown White-eye appropriate to and established for ponapensis. Rename Z. cinereus ‘Kosrae White-eye’ (D. Pratt)
AS 6.2 Dark-eyed White-eye Zosterops tetiparius Solomons White-eye Z. kulambangrae Includes paradoxus (Moyle et al. 2009, H&M4, but also see H&M4: 644, Mees 1955 re use of rendovae)
AS 6.2 Forest White-eye Zosterops stenocricotus African Yellow White-eye Z. senegalensis Vocally distinct sister to (Speirops) brunneus on Bioko Is; not a member of the  senegalensis cryptic species complex (Fry et al. 2000, Cox 2013, Cox et al. 2014). English name ok?
SSP 6.2 Taiwan Thrush Turdus niveiceps Island Thrush T. poliocephalus Nylander et al. 2008, H&M4; stet ssp status for now
SSP 6.2 Yunnan Parrotbill Sinosuthora ricketti Brown-winged Parrotbill S. brunnea Deignan 1964, Robson 2007, Penhallurick & Robson 2009, Yeung et al. 2011. STET subspecies pending further research
SSP+ 6.2 Grass Wren Cistothorus elegans Grass Wren C. platensis Robbins and Nyári 2014.  Includes tinnulus, potosinus, jalapensis, warneri, russelli, graberi, and lucidus.
SSP+ 6.2 Austral Wren Cistothorus hornensis Grass Wren C. platensis Robbins and Nyári 2014.  Includes falklandicus
SSP+ 6.2 Tucuman Wren Cistothorus tucumanus Grass Wren C. platensis Robbins and Nyári 2014.  Includes boliviae
SSP+ 6.2 Puna Wren Cistothorus minimus Grass Wren C. platensis Robbins and Nyári 2014.
SSP+ 6.2 Junin Wren Cistothorus graminicola Grass Wren C. platensis Robbins and Nyári 2014.
SSP+ 6.2 Paramo Wren Cistothorus aequatorialis Grass Wren C. platensis Robbins and Nyári 2014. Includes tamaetolimae
SSP+ 6.2 Venezuelan Wren Cistothorus alticola Grass Wren C. platensis  Robbins and Nyári 2014.
AS 6.1 Tschudi’s Nightjar Systellura decussata Band-winged Nightjar S. longirostris Cleere 2010, SACC 677A 10/0; English name=Desert Nightjar? Genus?
NEW 6.1 Western Striolated Puffbird Nystalus obamai Eastern Striolated Puffbird N. striolatus Whitney et al. 2013e, SACC 617, 679, 701.
SSP 6.1 Pacific Fulmar Fulmarus rodgersii Northern Fulmar F. glacialis Stet subspecies; see Kerr & Dove 2013 for PS status of F. rodgersii
SSP 6.1 Northern Silvery Grebe Podiceps juninensis [Southern] Silvery Grebe P. occipitalis Stet subspecies pending better contact zone info (Fjeldså & Krabbe 1990, Jaramillo 2003, Del Hoyo & Collar 2014, Ogawa et al. 2015).
SSP 6.1 Eastern Striolated Puffbird Nystalus torridus [Natterer’s] Striolated Puffbird N. striolatus SACC 617 declined; stet as subspecies of N. striolatus pending completion of SACC 679 discussion
SSP 6.1 Mallee Whipbird Psophodes leucogaster Western Whipbird P. nigrogularis Schodde & Mason 1999, Christidis & Boles 2008, Toon et al. 2013; await full study
SSP 6.1 Western Subalpine Warbler Sylvia inornata [Eastern] Subalpine Warbler P. cantillans Svensson 2013ab; includes new ssp iberiae. Await revision of species complex.
SSP 6.1 Santa Marta Wood Wren Henicorhina anachoreta Grey-breasted Wood Wren H. leucophrys Stet subspecies status pending review of species complex. See Caro et al. 2013)
AS 6.1 Sedge Wren Cistothorus stellaris Grass [Sedge] Wren C. platensis Robbins and Nyári 2014;  Middle and South American members of this species complex await revision.
SSP 6.1 ‘Okinawa Flycatcher’ Ficedula owstoni Narcissus Flycatcher F. narcissina Dong et al. 2015. English name under discussion. Await data on additional populations
AS 6.1 Bundok Flycatcher Fidecula luzoniensis Snowy-browed Flycatcher F. hyperythra Philippine populations of Snowy-browed Flycatcher are members of a different species clade (Moyle et al. 2015, Clements et al. 2015).
SSP 6.1 Visayan Shama Copsychus superciliarus White-browed Shama C. luzoniensis Lim et al. 2010, Collar 2011b, not H&M4 nor HBW. Stet ssp
AS 6.1 Merida Brush Finch Atlapetes meridae Moustached Brush Finch A. albofrenatus Donegan et al. 2014
SSP 6.1 Cayman Bullfinch Melopyrrha taylori Cuban Bullfinch M. nigra Bradley 2000, H&M4, Garrido et al. 2014; NACC 2016-A-5.