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Show all subspecies Hide all subspecies Split by IOC Pending decisions Rejected cases |
Shearwaters and Petrels (Procellariidae) |
Northern Fulmar (Fulmarus glacialis) Subspecies Rodgersii suggested split off as Pacific Fulmar. NACC 2019-A-1. PENDING. |
glacialis glacialis/auduboni (Atlantic) |
Breeds high Arctic regions of North Atlantic; ranges widely |
auduboni glacialis/auduboni (Atlantic) |
Breeds low Arctic and boreal North Atlantic; ranges widely |
rodgersii rodgersii (Pacific) |
Breeds coasts of e Siberia and Alaskan peninsula; ranges widely |
Hawks, Eagles and Kites (Accipitridae) |
Red-tailed Hawk (Buteo jamaicensis) Subspecies harlani (Harlan's) is suggested split off as Harlan's Hawk. NACC 2019-A-2. PENDING. |
alascensis calurus/alascensis (calurus/alascensis) |
SE Alaska and coastal British Columbia |
calurus calurus/alascensis (calurus/alascensis) |
W North America (west of the Great Plains) |
borealis borealis (borealis) |
North America (east of the Great Plains) |
harlani harlani (Harlan's) |
Interior Alaska to sw Yukon and n British Columbia |
kriderii kriderii (Krider's) |
Plains of s-central Canada to n-central US |
fuertesi fuertesi (fuertesi) |
Texas to n Mexico |
hadropus kemsiesi/hadropus (kemsiesi/hadropus) |
Highlands of central Mexico |
kemsiesi kemsiesi/hadropus (kemsiesi/hadropus) |
S Mexico (Chiapas) to n Nicaragua |
costaricensis costaricensis (costaricensis) |
Costa Rica and western Panama |
fumosus fumosus (fumosus) |
Tres Marías Islands (off w Mexico) |
socorroensis socorroensis (socorroensis) |
Socorro I. (Revillagigedo Islands off w Mexico) |
umbrinus umbrinus (umbrinus) |
Florida |
jamaicensis jamaicensis (jamaicensis) |
Jamaica, Hispaniola, Puerto Rico and n Lesser Antilles |
solitudinis solitudinis (solitudinis) |
Bahamas and Cuba |
Barn-Owls (Tytonidae) |
Barn Owl (Tyto alba) Split by IOC. Mexican birds now American Barn Owl. |
alba alba (Eurasian) |
St. Vincent and Grenada and satellite islands (southern Lesser Antilles). |
guttata alba (Eurasian) |
Central Europe east to sw European USSR and ne Greece |
ernesti alba (Eurasian) |
Corsica and Sardinia |
erlangeri alba (Eurasian) |
Crete and Cyprus to sw Iran, ne Egypt and s Arabian Peninsula |
schmitzi schmitzi (Madeiran) |
Madeira and Porto Santo I. |
gracilirostris gracilirostris (Canary Is.) |
E Canary Islands (Fuerteventura, Lanzarote and Alegranza) |
detorta detorta (Cape Verde) |
Cape Verde Islands |
poensis poensis (Bioko) |
Sub-Saharan Africa (including Bioko, Zanzibar, and Pemba), the Comoro Islands, and Madagascar |
thomensis thomensis (Sao Tome) |
São Tomé‚ (Gulf of Guinea) |
stertens javanica (Eastern) |
Indian subcontinent to n Sri Lanka, sw China and s Thailand |
javanica javanica (Eastern) |
Malay Peninsula to Greater Sundas |
sumbaensis javanica (Eastern) |
Sumba (Lesser Sundas) |
meeki javanica (Eastern) |
E New Guinea, Manam and Karkar islands |
delicatula javanica (Eastern) |
Timor to Australia, Solomon Is., Loyalty Is., and Samoa |
crassirostris crassirostris (Boang) |
Tanga I. (Bismarck Archipelago) |
interposita javanica (Eastern) |
N Vanuatu, Santa Cruz Islands and Banks Group |
pratincola tuidara (American) |
S Canada to n Mexico, Bermuda, Bahamas and Hispaniola |
guatemalae tuidara (American) |
W Guatemala to Panama, Pearl Islands and Colombia |
bondi tuidara (American) |
Bay Islands off n Honduras (Roatán and Guanaja) |
furcata furcata (White-winged) |
Cuba, Cayman Islands and Jamaica |
niveicauda tuidara (American) |
Isle of Pines (off Cuba) |
bargei bargei (Curacao) |
Curaçao |
punctatissima punctatissima (Galapagos) |
Galapagos Islands |
contempta tuidara (American) |
W Colombia to Venezuela, Ecuador and Peru |
hellmayri tuidara (American) |
Guianas to n Brazil, Margarita I., Trinidad and Tobago |
tuidara tuidara (American) |
Brazil s of the Amazon to Tierra del Fuego and Falkland Is. |
nigrescens insularis/nigrescens (Lesser Antilles) |
Dominica (Lesser Antilles) |
insularis insularis/nigrescens (Lesser Antilles) |
St. Vincent, Bequia, Union, Carriacou and Grenada |
Owls (Strigidae) |
Northern Pygmy-Owl (Glaucidium gnoma) Split by IOC. Cobanense as Guatemalean Pygmy Owl. Hoskinsii as Baja Pygmy Owl. |
gnoma gnoma (Mountain) |
SE Arizona to highlands of Mexico (Chihuahua to Oaxaca) |
grinnelli californicum (Pacific) |
Coniferous forests of se Alaska to n California |
swarthi californicum (Pacific) |
Vancouver I. |
californicum californicum (Pacific) |
Central British Columbia to sw US and nw Mexico |
pinicola pinicola (Rocky Mts.) |
Rocky Mountains (w-central US) |
cobanense cobanense (Guatemalan) |
Mountains of s Mexico (Chiapas) to Guatemala and Honduras |
hoskinsii hoskinsii (Cape) |
Mountains of s Baja California |
Trogons (Trogonidae) |
Resplendent Quetzal (Pharomachrus mocinno) The two subspecies have been suggested split into two separate species. NACC 2019-A-11. PENDING. |
mocinno mocinno (Guatemalan) |
Montane forests of s Mexico to n Nicaragua |
costaricensis costaricensis (Costa Rican) |
Montane forests of Costa Rica to w Panama |
Woodpeckers (Picidae) |
Northern Flicker (Colaptes auratus) Mexicanoides is suggested split off as Mesoamerican Flicker. NACC 2017-C-4. FAILED. |
luteus auratus/luteus (Yellow-shafted) |
C Alaska to s Labrador, Newfoundland, Montana and ne US |
auratus auratus/luteus (Yellow-shafted) |
SE US |
cafer cafer (Red-shafted) |
S Alaska and British Columbia to n California |
collaris cafer (Red-shafted) |
SW US to nw Baja and w Mexico (Durango) |
mexicanus cafer (Red-shafted) |
Central Mexico, from Nayarit and Durango east to Veracruz, south to Oaxaca |
mexicanoides mexicanoides (Guatemalan) |
Highlands of s Mexico (Chiapas) to Nicaragua |
chrysocaulosus chrysocaulosus (Cuban) |
Cuba |
gundlachi gundlachi (Grand Cayman I.) |
Grand Cayman I. |
rufipileus cafer (Red-shafted) |
Formerly Guadalupe Island, Mexico. Extinct; last recorded 1906. |
nanus cafer (Red-shafted) |
Southwestern United States (Chisos Mountains, Texas) and northeastern Mexico (Coahuila to Tamaulipas, south to San Luis Potosí) |
Vireos, Shrike-Babblers and Erpornis (Vireonidae) |
Bell's Vireo (Vireo bellii) Arizonae and pusilla suggested split off as Least Vireo. NACC 2017-C-14. FAILED. |
medius bellii/medius (Eastern) |
SW Texas to s Durango and s Coahuila; winters to Oaxaca |
bellii bellii/medius (Eastern) |
Central and s US; winters from s Mexico to n Nicaragua |
arizonae arizonae (Arizona) |
SW US; winters from Baja and central Sonora to Colima |
pusillus pusillus (Least) |
Arid s California; winters to s Baja |
Treecreepers (Certhiidae) |
Brown Creeper (Certhia americana) Southern subspecies albescens, alticola, pernigra and extima are suggested split off as Brown Creeper (Neotropical or Mesoamerican Creeper alternatively). NACC 2017-C-2. FAILED. |
alascensis occidentalis (occidentalis) |
S-central Alaska; winters to Arizona and New Mexico |
occidentalis occidentalis (occidentalis) |
Coastal se Alaska to central California (south to Marin County) |
stewarti occidentalis (occidentalis) |
Haida Gwaii (British Columbia) |
montana montana/idahoensis (montana/idahoensis) |
British Columbia to Cascades, Dakotas, s Arizona and w Texas |
zelotes occidentalis (occidentalis) |
S Oregon through Cascades and Coast ranges to s California |
americana americana/nigrescens (americana/nigrescens) |
N Saskatchewan to Newfoundland and ne US; winters to Mexico |
idahoensis montana/idahoensis (montana/idahoensis) |
N Idaho and nw Montana to central Alberta; winters to Arizona |
nigrescens americana/nigrescens (americana/nigrescens) |
Great Smoky Mountains of Tennessee and North Carolina |
albescens albescens/alticola (albescens/alticola) |
Mountains of se Arizona, sw New Mexico and nw Mexico |
alticola albescens/alticola (albescens/alticola) |
Mountains of s Mexico |
pernigra pernigra (pernigra) |
Mountains of extreme s Mexico (Chiapas) and n Guatemala |
extima extima (extima) |
Mountains of e Guatemala, Honduras and nw Nicaragua |
phillipsi occidentalis (occidentalis) |
Resident in Coast Ranges of central California (San Mateo County s to San Luis Obispo County) |
Gnatcatchers (Polioptilidae) |
Long-billed Gnatwren (Ramphocaenus melanurus) Rufiventris group might be split off as Northern Gnatwren. SACC 790B. PENDING. |
rufiventris rufiventris (rufiventris) |
Trop. se Mexico to Panama, w Colombia, w Ecuador, and nw Peru (Tumbes) |
ardeleo rufiventris (rufiventris) |
SE Mexico (Yucatán Peninsula) and Petén of n Guatemala |
sanctaemarthae rufiventris (rufiventris) |
Caribbean coast of n Colombia to nw Venezuela (Zulia) |
griseodorsalis rufiventris (rufiventris) |
W-central Colombia (Antioquia south to Valle) |
pallidus melanurus (Long-billed) |
NE Colombia e of Andes to n Venezuela (e Falcón to Miranda) |
trinitatis melanurus (Long-billed) |
Tropical e Colombia (Meta) to ne Venezuela; Trinidad |
albiventris melanurus (Long-billed) |
S Venezuela (e Bolívar) to the Guianas and ne Brazil |
duidae melanurus (Long-billed) |
Eastern Colombia, eastern Ecuador, and southern Venezuela; probably also in extreme northern Peru and in northwestern Brazil |
badius melanurus (Long-billed) |
SE Ecuador to ne Peru (north of Río Marañón) |
amazonum melanurus (Long-billed) |
E Peru (right bank of upper Río Ucayali) and adjacent nw Brazil |
austerus melanurus (Long-billed) |
E Brazil (e Pará and n Maranhão) |
melanurus melanurus (Long-billed) |
Eastern Peru (right bank of upper R?o Ucayali) and adjacent northwestern Brazil (to north-central Brazil in western Par?, west of the Rio Tocantins). |
Mockingbirds and Thrashers (Mimidae) |
LeConte's Thrasher (Toxostoma lecontei) arenicola (Vizcaino) suggested split off as Viscaino Thrasher. NACC 2018-18-C. FAILED. |
lecontei lecontei/macmillanorum (Le Conte's) |
Arid sw US to n Baja California and nw Mexico |
macmillanorum lecontei/macmillanorum (Le Conte's) |
Inland central California (s San Joaquin Valley) |
arenicola arenicola (Vizcaino) |
Vizcaino desert of central Baja California (29øN to 26øN) |
Thrushes and Allies (Turdidae) |
Rufous-backed Robin (Turdus rufopalliatus) Graysoni suggested split off as Grayson's Robin. NACC 2017-B-3. FAILED. |
rufopalliatus rufopalliatus (Rufous-backed) |
Arid w Mexico (Sonora to w Puebla and Oaxaca) |
graysoni graysoni (Grayson's) |
Tres Marías Islands and adjacent coastal Nayarit (w Mexico) |
New World Sparrows (Passerellidae) |
White-eared Ground-Sparrow (Melozone leucotis) Subspecies occipitalis suggested split off as Gray-crowned Ground-Sparrow. NACC 2018-C-7. FAILED. |
occipitalis occipitalis (Gray-crowned) |
Highlands of s Mexico (Chiapas) to Guatemala and El Salvador |
nigrior leucotis/nigrior (White-eared) |
Highlands of ec Honduras and nc Nicaragua |
leucotis leucotis/nigrior (White-eared) |
Highlands of central Costa Rica |
Troupials and Allies (Icteridae) |
Eastern Meadowlark (Sturnella magna) Group Lilian's suggested split off as Lilian's Meadowlark. NACC 2016-C-2. FAILED. |
hippocrepis hippocrepis (Cuban) |
Cuba and Isle of Pines |
magna magna (Eastern) |
Llanos of eastern Colombia to southern Venezuela and southwestern Guyana. |
argutula magna (Eastern) |
SE Kansas and Oklahoma to e US (Carolinas to Florida) |
hoopesi magna (Eastern) |
S Texas (Eagle Pass) to n Coahuila, Nuevo León and n Tamaulipas |
saundersi magna (Eastern) |
S Mexico (Oaxaca) |
alticola magna (Eastern) |
Highlands of s Mexico (Guerrero, s Puebla, Veracruz) to Costa Rica |
mexicana magna (Eastern) |
Caribbean slope of se Mexico (Veracruz and Tabasco to Chiapas) |
griscomi magna (Eastern) |
SE Mexico (arid coastal n Yucatán Peninsula) |
inexspectata magna (Eastern) |
Pine savanna of Belize, Petén of Guatemala, Honduras, Nicaragua |
subulata magna (Eastern) |
Pacific slope of Panama |
meridionalis magna (Eastern) |
E Andes of Colombia to Andes of nw Venezuela |
paralios magna (Eastern) |
N Colombia and savannas of w Venezuela |
monticola magna (Eastern) |
Tepuis of s Venezuela (Mt. Roraima) |
praticola magna (Eastern) |
Llanos of e Colombia to s Venezuela and n Guyana |
quinta magna (Eastern) |
Suriname and ne Amazonian Brazil |
New World Warblers (Parulidae) |
Nashville Warbler (Leiothlypis ruficapilla) Suggested split into two species. NACC 2017-C-5.FAILED. |
ruficapilla ruficapilla (ruficapilla) |
S-cent. Canada to e-central US; winters Mexico to central Honduras |
ridgwayi ridgwayi (ridgwayi) |
S Br. Col. to California, Nevada and n Utah; winters to Mexico |