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Number of species 844
Scientific name English name Family Global IUCN Red List Category
Acanthis flammea Redpoll Fringillidae (Finches and Hawaiian honeycreepers)
LC
Accipiter cooperii Cooper's Hawk Accipitridae (Hawks, Eagles)
LC
Accipiter gentilis Northern Goshawk Accipitridae (Hawks, Eagles)
LC
Accipiter striatus Sharp-shinned Hawk Accipitridae (Hawks, Eagles)
LC
Acrocephalus familiaris Millerbird Acrocephalidae (Reed-warblers)
CR
Actitis macularius Spotted Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Aechmophorus clarkii Clark's Grebe Podicipedidae (Grebes)
LC
Aechmophorus occidentalis Western Grebe Podicipedidae (Grebes)
LC
Aegolius acadicus Northern Saw-whet Owl Strigidae (Typical Owls)
LC
Aegolius funereus Boreal Owl Strigidae (Typical Owls)
LC
Aeronautes saxatalis White-throated Swift Apodidae (Swifts)
LC
Aethia cristatella Crested Auklet Alcidae (Auks)
LC
Aethia psittacula Parakeet Auklet Alcidae (Auks)
LC
Aethia pusilla Least Auklet Alcidae (Auks)
LC
Aethia pygmaea Whiskered Auklet Alcidae (Auks)
LC
Agelaius humeralis Tawny-shouldered Blackbird Icteridae (New World blackbirds)
LC
Agelaius phoeniceus Red-winged Blackbird Icteridae (New World blackbirds)
LC
Agelaius tricolor Tricolored Blackbird Icteridae (New World blackbirds)
EN
Aimophila ruficeps Rufous-crowned Sparrow Passerellidae (New World sparrows)
LC
Aix sponsa Wood Duck Anatidae (Ducks, Geese, Swans)
LC
Akialoa ellisiana Oahu Akialoa Fringillidae (Finches and Hawaiian honeycreepers)
EX
Akialoa lanaiensis Lanai Akialoa Fringillidae (Finches and Hawaiian honeycreepers)
EX
Akialoa obscura Hawaii Akialoa Fringillidae (Finches and Hawaiian honeycreepers)
EX
Akialoa stejnegeri Kauai Akialoa Fringillidae (Finches and Hawaiian honeycreepers)
EX
Alca torda Razorbill Alcidae (Auks)
NT
Alle alle Little Auk Alcidae (Auks)
LC
Amazilia beryllina Berylline Hummingbird Trochilidae (Hummingbirds)
LC
Amazilia rutila Cinnamon Hummingbird Trochilidae (Hummingbirds)
LC
Amazilia violiceps Violet-crowned Hummingbird Trochilidae (Hummingbirds)
LC
Amazilia yucatanensis Buff-bellied Hummingbird Trochilidae (Hummingbirds)
LC
Ammodramus savannarum Grasshopper Sparrow Passerellidae (New World sparrows)
LC
Ammospiza caudacuta Saltmarsh Sparrow Passerellidae (New World sparrows)
EN
Ammospiza leconteii Le Conte's Sparrow Passerellidae (New World sparrows)
LC
Ammospiza maritima Seaside Sparrow Passerellidae (New World sparrows)
LC
Ammospiza nelsoni Nelson's Sparrow Passerellidae (New World sparrows)
LC
Amphispiza bilineata Black-throated Sparrow Passerellidae (New World sparrows)
LC
Amphispiza quinquestriata Five-striped Sparrow Passerellidae (New World sparrows)
LC
Anas acuta Northern Pintail Anatidae (Ducks, Geese, Swans)
LC
Anas bahamensis White-cheeked Pintail Anatidae (Ducks, Geese, Swans)
LC
Anas carolinensis Green-winged Teal Anatidae (Ducks, Geese, Swans)
LC
Anas crecca Common Teal Anatidae (Ducks, Geese, Swans)
LC
Anas fulvigula Mottled Duck Anatidae (Ducks, Geese, Swans)
LC
Anas laysanensis Laysan Duck Anatidae (Ducks, Geese, Swans)
CR
Anas platyrhynchos Mallard Anatidae (Ducks, Geese, Swans)
LC
Anas rubripes American Black Duck Anatidae (Ducks, Geese, Swans)
LC
Anas wyvilliana Hawaiian Duck Anatidae (Ducks, Geese, Swans)
EN
Anhinga anhinga Anhinga Anhingidae (Darters)
LC
Anous ceruleus Blue Noddy Laridae (Gulls, Terns, Skimmers)
LC
Anous stolidus Brown Noddy Laridae (Gulls, Terns, Skimmers)
LC
Anser albifrons Greater White-fronted Goose Anatidae (Ducks, Geese, Swans)
LC
Anser caerulescens Snow Goose Anatidae (Ducks, Geese, Swans)
LC
Anser canagicus Emperor Goose Anatidae (Ducks, Geese, Swans)
NT
Anser rossii Ross's Goose Anatidae (Ducks, Geese, Swans)
LC
Anthracothorax prevostii Green-breasted Mango Trochilidae (Hummingbirds)
LC
Anthus cervinus Red-throated Pipit Motacillidae (Wagtails and pipits)
LC
Anthus rubescens Buff-bellied Pipit Motacillidae (Wagtails and pipits)
LC
Anthus spragueii Sprague's Pipit Motacillidae (Wagtails and pipits)
VU
Antrostomus arizonae Mexican Whip-poor-will Caprimulgidae (Nightjars)
LC
Antrostomus carolinensis Chuck-will's-widow Caprimulgidae (Nightjars)
NT
Antrostomus ridgwayi Buff-collared Nightjar Caprimulgidae (Nightjars)
LC
Antrostomus vociferus Eastern Whip-poor-will Caprimulgidae (Nightjars)
NT
Aphelocoma californica Western Scrub-jay Corvidae (Crows and jays)
LC
Aphelocoma coerulescens Florida Scrub-jay Corvidae (Crows and jays)
VU
Aphelocoma wollweberi Mexican Jay Corvidae (Crows and jays)
LC
Aquila chrysaetos Golden Eagle Accipitridae (Hawks, Eagles)
LC
Aramus guarauna Limpkin Aramidae (Limpkin)
LC
Archilochus alexandri Black-chinned Hummingbird Trochilidae (Hummingbirds)
LC
Archilochus colubris Ruby-throated Hummingbird Trochilidae (Hummingbirds)
LC
Ardea alba Great White Egret Ardeidae (Herons)
LC
Ardea herodias Great Blue Heron Ardeidae (Herons)
LC
Ardea occidentalis Great White Heron Ardeidae (Herons)
EN
Ardenna bulleri Buller's Shearwater Procellariidae (Petrels, Shearwaters)
VU
Ardenna carneipes Flesh-footed Shearwater Procellariidae (Petrels, Shearwaters)
NT
Ardenna creatopus Pink-footed Shearwater Procellariidae (Petrels, Shearwaters)
VU
Ardenna gravis Great Shearwater Procellariidae (Petrels, Shearwaters)
LC
Ardenna grisea Sooty Shearwater Procellariidae (Petrels, Shearwaters)
NT
Ardenna pacifica Wedge-tailed Shearwater Procellariidae (Petrels, Shearwaters)
LC
Ardenna tenuirostris Short-tailed Shearwater Procellariidae (Petrels, Shearwaters)
LC
Arenaria interpres Ruddy Turnstone Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Arenaria melanocephala Black Turnstone Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Arremonops rufivirgatus Olive Sparrow Passerellidae (New World sparrows)
LC
Artemisiospiza belli Bell's Sparrow Passerellidae (New World sparrows)
LC
Artemisiospiza nevadensis Sagebrush Sparrow Passerellidae (New World sparrows)
LC
Asio flammeus Short-eared Owl Strigidae (Typical Owls)
LC
Asio otus Northern Long-eared Owl Strigidae (Typical Owls)
LC
Athene cunicularia Burrowing Owl Strigidae (Typical Owls)
LC
Atthis heloisa Bumblebee Hummingbird Trochilidae (Hummingbirds)
LC
Auriparus flaviceps Verdin Remizidae (Penduline-tits)
LC
Aythya affinis Lesser Scaup Anatidae (Ducks, Geese, Swans)
LC
Aythya americana Redhead Anatidae (Ducks, Geese, Swans)
LC
Aythya collaris Ring-necked Duck Anatidae (Ducks, Geese, Swans)
LC
Aythya fuligula Tufted Duck Anatidae (Ducks, Geese, Swans)
LC
Aythya marila Greater Scaup Anatidae (Ducks, Geese, Swans)
LC
Aythya valisineria Canvasback Anatidae (Ducks, Geese, Swans)
LC
Baeolophus atricristatus Black-crested Titmouse Paridae (Tits and chickadees)
LC
Baeolophus bicolor Tufted Titmouse Paridae (Tits and chickadees)
LC
Baeolophus inornatus Oak Titmouse Paridae (Tits and chickadees)
LC
Baeolophus wollweberi Bridled Titmouse Paridae (Tits and chickadees)
LC
Bartramia longicauda Upland Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Basilinna leucotis White-eared Hummingbird Trochilidae (Hummingbirds)
LC
Basilinna xantusii Xantus's Hummingbird Trochilidae (Hummingbirds)
LC
Bombycilla cedrorum Cedar Waxwing Bombycillidae (Waxwings)
LC
Bombycilla garrulus Bohemian Waxwing Bombycillidae (Waxwings)
LC
Bonasa umbellus Ruffed Grouse Phasianidae (Pheasants, Partridges, Turkeys, Grouse)
LC
Botaurus lentiginosus American Bittern Ardeidae (Herons)
LC
Brachyramphus brevirostris Kittlitz's Murrelet Alcidae (Auks)
NT
Brachyramphus marmoratus Marbled Murrelet Alcidae (Auks)
EN
Branta bernicla Brent Goose Anatidae (Ducks, Geese, Swans)
LC
Branta canadensis Canada Goose Anatidae (Ducks, Geese, Swans)
LC
Branta hutchinsii Cackling Goose Anatidae (Ducks, Geese, Swans)
LC
Branta sandvicensis Hawaiian Goose Anatidae (Ducks, Geese, Swans)
VU
Bubo scandiacus Snowy Owl Strigidae (Typical Owls)
VU
Bubo virginianus Great Horned Owl Strigidae (Typical Owls)
LC
Bubulcus ibis Cattle Egret Ardeidae (Herons)
LC
Bucephala albeola Bufflehead Anatidae (Ducks, Geese, Swans)
LC
Bucephala clangula Common Goldeneye Anatidae (Ducks, Geese, Swans)
LC
Bucephala islandica Barrow's Goldeneye Anatidae (Ducks, Geese, Swans)
LC
Bulweria bulwerii Bulwer's Petrel Procellariidae (Petrels, Shearwaters)
LC
Burhinus bistriatus Double-striped Thick-knee Burhinidae (Thick-knees)
LC
Buteo albonotatus Zone-tailed Hawk Accipitridae (Hawks, Eagles)
LC
Buteo brachyurus Short-tailed Hawk Accipitridae (Hawks, Eagles)
LC
Buteo jamaicensis Red-tailed Hawk Accipitridae (Hawks, Eagles)
LC
Buteo lagopus Rough-legged Buzzard Accipitridae (Hawks, Eagles)
LC
Buteo lineatus Red-shouldered Hawk Accipitridae (Hawks, Eagles)
LC
Buteo plagiatus Grey Hawk Accipitridae (Hawks, Eagles)
LC
Buteo platypterus Broad-winged Hawk Accipitridae (Hawks, Eagles)
LC
Buteo regalis Ferruginous Hawk Accipitridae (Hawks, Eagles)
LC
Buteo solitarius Hawaiian Hawk Accipitridae (Hawks, Eagles)
NT
Buteo swainsoni Swainson's Hawk Accipitridae (Hawks, Eagles)
LC
Buteogallus anthracinus Common Black Hawk Accipitridae (Hawks, Eagles)
LC
Butorides striata Green-backed Heron Ardeidae (Herons)
LC
Cairina moschata Muscovy Duck Anatidae (Ducks, Geese, Swans)
LC
Calamospiza melanocorys Lark Bunting Passerellidae (New World sparrows)
LC
Calcarius lapponicus Lapland Longspur Calcariidae (Longspurs)
LC
Calcarius ornatus Chestnut-collared Longspur Calcariidae (Longspurs)
VU
Calcarius pictus Smith's Longspur Calcariidae (Longspurs)
LC
Calidris acuminata Sharp-tailed Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Calidris alba Sanderling Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Calidris alpina Dunlin Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Calidris bairdii Baird's Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Calidris canutus Red Knot Scolopacidae (Sandpipers, Snipes, Phalaropes)
NT
Calidris ferruginea Curlew Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
NT
Calidris fuscicollis White-rumped Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Calidris himantopus Stilt Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Calidris maritima Purple Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Calidris mauri Western Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Calidris melanotos Pectoral Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Calidris minutilla Least Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Calidris ptilocnemis Rock Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Calidris pusilla Semipalmated Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
NT
Calidris ruficollis Red-necked Stint Scolopacidae (Sandpipers, Snipes, Phalaropes)
NT
Calidris subminuta Long-toed Stint Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Calidris subruficollis Buff-breasted Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
NT
Calidris virgata Surfbird Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Callipepla californica California Quail Odontophoridae (New World quails)
LC
Callipepla gambelii Gambel's Quail Odontophoridae (New World quails)
LC
Callipepla squamata Scaled Quail Odontophoridae (New World quails)
LC
Calonectris borealis Cory's Shearwater Procellariidae (Petrels, Shearwaters)
LC
Calothorax lucifer Lucifer Hummingbird Trochilidae (Hummingbirds)
LC
Calypte anna Anna's Hummingbird Trochilidae (Hummingbirds)
LC
Calypte costae Costa's Hummingbird Trochilidae (Hummingbirds)
LC
Campephilus principalis Ivory-billed Woodpecker Picidae (Woodpeckers)
CR
Camptorhynchus labradorius Labrador Duck Anatidae (Ducks, Geese, Swans)
EX
Camptostoma imberbe Northern Beardless Tyrannulet Tyrannidae (Tyrant-flycatchers)
LC
Campylorhynchus brunneicapillus Cactus Wren Troglodytidae (Wrens)
LC
Caracara cheriway Crested Caracara Falconidae (Falcons, Caracaras)
LC
Cardellina canadensis Canada Warbler Parulidae (New World warblers)
LC
Cardellina pusilla Wilson's Warbler Parulidae (New World warblers)
LC
Cardellina rubrifrons Red-faced Warbler Parulidae (New World warblers)
LC
Cardinalis cardinalis Northern Cardinal Cardinalidae (Grosbeaks, saltators and allies)
LC
Cardinalis sinuatus Pyrrhuloxia Cardinalidae (Grosbeaks, saltators and allies)
LC
Catharacta maccormicki South Polar Skua Stercorariidae (Skuas)
LC
Catharacta skua Great Skua Stercorariidae (Skuas)
LC
Cathartes aura Turkey Vulture Cathartidae (New World vultures)
LC
Catharus bicknelli Bicknell's Thrush Turdidae (Thrushes)
VU
Catharus fuscescens Veery Turdidae (Thrushes)
LC
Catharus guttatus Hermit Thrush Turdidae (Thrushes)
LC
Catharus minimus Grey-cheeked Thrush Turdidae (Thrushes)
LC
Catharus swainsoni Swainson's Thrush Turdidae (Thrushes)
LC
Catharus ustulatus Russet-backed Thrush Turdidae (Thrushes)
LC
Catherpes mexicanus Canyon Wren Troglodytidae (Wrens)
LC
Centrocercus minimus Gunnison Grouse Phasianidae (Pheasants, Partridges, Turkeys, Grouse)
EN
Centrocercus urophasianus Sage Grouse Phasianidae (Pheasants, Partridges, Turkeys, Grouse)
NT
Cepphus columba Pigeon Guillemot Alcidae (Auks)
LC
Cepphus grylle Black Guillemot Alcidae (Auks)
LC
Cerorhinca monocerata Rhinoceros Auklet Alcidae (Auks)
LC
Certhia americana American Treecreeper Certhiidae (Treecreepers)
LC
Chaetoptila angustipluma Kioea Mohoidae (Hawaiian honeyeaters)
EX
Chaetura pelagica Chimney Swift Apodidae (Swifts)
VU
Chaetura vauxi Vaux's Swift Apodidae (Swifts)
LC
Chamaea fasciata Wrentit Sylviidae (Old World warblers)
LC
Charadrius collaris Collared Plover Charadriidae (Plovers)
LC
Charadrius hiaticula Common Ringed Plover Charadriidae (Plovers)
LC
Charadrius melodus Piping Plover Charadriidae (Plovers)
NT
Charadrius mongolus Lesser Sandplover Charadriidae (Plovers)
LC
Charadrius montanus Mountain Plover Charadriidae (Plovers)
NT
Charadrius nivosus Snowy Plover Charadriidae (Plovers)
NT
Charadrius semipalmatus Semipalmated Plover Charadriidae (Plovers)
LC
Charadrius vociferus Killdeer Charadriidae (Plovers)
LC
Charadrius wilsonia Wilson's Plover Charadriidae (Plovers)
LC
Chasiempis ibidis Oahu Elepaio Monarchidae (Monarchs)
EN
Chasiempis sandwichensis Hawaii Elepaio Monarchidae (Monarchs)
VU
Chasiempis sclateri Kauai Elepaio Monarchidae (Monarchs)
VU
Chlidonias niger Black Tern Laridae (Gulls, Terns, Skimmers)
LC
Chloridops kona Kona Grosbeak Fringillidae (Finches and Hawaiian honeycreepers)
EX
Chloroceryle americana Green Kingfisher Alcedinidae (Kingfishers)
LC
Chlorodrepanis flava Oahu Amakihi Fringillidae (Finches and Hawaiian honeycreepers)
VU
Chlorodrepanis stejnegeri Kauai Amakihi Fringillidae (Finches and Hawaiian honeycreepers)
VU
Chlorodrepanis virens Hawaii Amakihi Fringillidae (Finches and Hawaiian honeycreepers)
LC
Chondestes grammacus Lark Sparrow Passerellidae (New World sparrows)
LC
Chondrohierax uncinatus Hook-billed Kite Accipitridae (Hawks, Eagles)
LC
Chordeiles acutipennis Lesser Nighthawk Caprimulgidae (Nightjars)
LC
Chordeiles gundlachii Antillean Nighthawk Caprimulgidae (Nightjars)
LC
Chordeiles minor Common Nighthawk Caprimulgidae (Nightjars)
LC
Ciccaba virgata Mottled Owl Strigidae (Typical Owls)
LC
Cinclus mexicanus American Dipper Cinclidae (Dippers)
LC
Circus hudsonius Northern Harrier Accipitridae (Hawks, Eagles)
LC
Ciridops anna Ula-ai-hawane Fringillidae (Finches and Hawaiian honeycreepers)
EX
Cistothorus palustris Marsh Wren Troglodytidae (Wrens)
LC
Cistothorus stellaris Sedge Wren Troglodytidae (Wrens)
LC
Clangula hyemalis Long-tailed Duck Anatidae (Ducks, Geese, Swans)
VU
Coccyzus americanus Yellow-billed Cuckoo Cuculidae (Cuckoos)
LC
Coccyzus erythropthalmus Black-billed Cuckoo Cuculidae (Cuckoos)
LC
Coccyzus minor Mangrove Cuckoo Cuculidae (Cuckoos)
LC
Coereba flaveola Bananaquit Thraupidae (Tanagers)
LC
Colaptes auratus Yellow-shafted Flicker Picidae (Woodpeckers)
LC
Colaptes cafer Red-shafted Flicker Picidae (Woodpeckers)
LC
Colaptes chrysoides Gilded Flicker Picidae (Woodpeckers)
LC
Colibri thalassinus Green Violet-ear Trochilidae (Hummingbirds)
LC
Colinus virginianus Northern Bobwhite Odontophoridae (New World quails)
NT
Columbina inca Inca Dove Columbidae (Pigeons, Doves)
LC
Columbina passerina Common Ground-dove Columbidae (Pigeons, Doves)
LC
Contopus cooperi Olive-sided Flycatcher Tyrannidae (Tyrant-flycatchers)
NT
Contopus pertinax Greater Pewee Tyrannidae (Tyrant-flycatchers)
LC
Contopus sordidulus Western Wood-pewee Tyrannidae (Tyrant-flycatchers)
LC
Contopus virens Eastern Wood-pewee Tyrannidae (Tyrant-flycatchers)
LC
Conuropsis carolinensis Carolina Parakeet Psittacidae (Parrots)
EX
Coragyps atratus American Black Vulture Cathartidae (New World vultures)
LC
Corvus brachyrhynchos American Crow Corvidae (Crows and jays)
LC
Corvus caurinus Northwestern Crow Corvidae (Crows and jays)
LC
Corvus corax Common Raven Corvidae (Crows and jays)
LC
Corvus cryptoleucus Chihuahuan Raven Corvidae (Crows and jays)
LC
Corvus hawaiiensis Hawaiian Crow Corvidae (Crows and jays)
EW
Corvus imparatus Tamaulipas Crow Corvidae (Crows and jays)
LC
Corvus ossifragus Fish Crow Corvidae (Crows and jays)
LC
Coturnicops noveboracensis Yellow Rail Rallidae (Rails, Gallinules, Coots)
LC
Crotophaga ani Smooth-billed Ani Cuculidae (Cuckoos)
LC
Crotophaga sulcirostris Groove-billed Ani Cuculidae (Cuckoos)
LC
Cyanecula svecica Bluethroat Muscicapidae (Chats and Old World flycatchers)
LC
Cyanocitta cristata Blue Jay Corvidae (Crows and jays)
LC
Cyanocitta stelleri Steller's Jay Corvidae (Crows and jays)
LC
Cyanocorax morio Brown Jay Corvidae (Crows and jays)
LC
Cyanocorax yncas Green Jay Corvidae (Crows and jays)
LC
Cygnus buccinator Trumpeter Swan Anatidae (Ducks, Geese, Swans)
LC
Cygnus columbianus Tundra Swan Anatidae (Ducks, Geese, Swans)
LC
Cygnus cygnus Whooper Swan Anatidae (Ducks, Geese, Swans)
LC
Cynanthus latirostris Broad-billed Hummingbird Trochilidae (Hummingbirds)
LC
Cypseloides niger Black Swift Apodidae (Swifts)
VU
Cyrtonyx montezumae Montezuma Quail Odontophoridae (New World quails)
LC
Dendragapus fuliginosus Sooty Grouse Phasianidae (Pheasants, Partridges, Turkeys, Grouse)
LC
Dendragapus obscurus Dusky Grouse Phasianidae (Pheasants, Partridges, Turkeys, Grouse)
LC
Dendrocygna autumnalis Black-bellied Whistling-duck Anatidae (Ducks, Geese, Swans)
LC
Dendrocygna bicolor Fulvous Whistling-duck Anatidae (Ducks, Geese, Swans)
LC
Dolichonyx oryzivorus Bobolink Icteridae (New World blackbirds)
LC
Drepanis coccinea Iiwi Fringillidae (Finches and Hawaiian honeycreepers)
VU
Drepanis funerea Black Mamo Fringillidae (Finches and Hawaiian honeycreepers)
EX
Drepanis pacifica Hawaii Mamo Fringillidae (Finches and Hawaiian honeycreepers)
EX
Dryobates nuttallii Nuttall's Woodpecker Picidae (Woodpeckers)
LC
Dryobates pubescens Downy Woodpecker Picidae (Woodpeckers)
LC
Dryobates scalaris Ladder-backed Woodpecker Picidae (Woodpeckers)
LC
Dumetella carolinensis Grey Catbird Mimidae (Mockingbirds and thrashers)
LC
Dysmorodrepanis munroi Lanai Hookbill Fringillidae (Finches and Hawaiian honeycreepers)
EX
Ectopistes migratorius Passenger Pigeon Columbidae (Pigeons, Doves)
EX
Egretta caerulea Little Blue Heron Ardeidae (Herons)
LC
Egretta garzetta Little Egret Ardeidae (Herons)
LC
Egretta rufescens Reddish Egret Ardeidae (Herons)
NT
Egretta thula Snowy Egret Ardeidae (Herons)
LC
Egretta tricolor Tricolored Heron Ardeidae (Herons)
LC
Elaenia martinica Caribbean Elaenia Tyrannidae (Tyrant-flycatchers)
LC
Elanoides forficatus Swallow-tailed Kite Accipitridae (Hawks, Eagles)
LC
Elanus leucurus White-tailed Kite Accipitridae (Hawks, Eagles)
LC
Empidonax alnorum Alder Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Empidonax difficilis Pacific-slope Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Empidonax flaviventris Yellow-bellied Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Empidonax fulvifrons Buff-breasted Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Empidonax hammondii Hammond's Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Empidonax minimus Least Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Empidonax oberholseri American Dusky Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Empidonax occidentalis Cordilleran Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Empidonax traillii Willow Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Empidonax virescens Acadian Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Empidonax wrightii American Grey Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Empidonomus varius Variegated Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Eremophila alpestris Horned Lark Alaudidae (Larks)
LC
Eudocimus albus White Ibis Threskiornithidae (Ibises, Spoonbills)
LC
Eudromias morinellus Eurasian Dotterel Charadriidae (Plovers)
LC
Eugenes fulgens Magnificent Hummingbird Trochilidae (Hummingbirds)
LC
Euphagus carolinus Rusty Blackbird Icteridae (New World blackbirds)
VU
Euphagus cyanocephalus Brewer's Blackbird Icteridae (New World blackbirds)
LC
Euptilotis neoxenus Eared Quetzal Trogonidae (Trogons)
LC
Falcipennis canadensis Spruce Grouse Phasianidae (Pheasants, Partridges, Turkeys, Grouse)
LC
Falcipennis franklinii Franklin's Grouse Phasianidae (Pheasants, Partridges, Turkeys, Grouse)
LC
Falco columbarius Merlin Falconidae (Falcons, Caracaras)
LC
Falco femoralis Aplomado Falcon Falconidae (Falcons, Caracaras)
LC
Falco mexicanus Prairie Falcon Falconidae (Falcons, Caracaras)
LC
Falco peregrinus Peregrine Falcon Falconidae (Falcons, Caracaras)
LC
Falco rusticolus Gyrfalcon Falconidae (Falcons, Caracaras)
LC
Falco sparverius American Kestrel Falconidae (Falcons, Caracaras)
LC
Fratercula arctica Atlantic Puffin Alcidae (Auks)
VU
Fratercula cirrhata Tufted Puffin Alcidae (Auks)
LC
Fratercula corniculata Horned Puffin Alcidae (Auks)
LC
Fregata ariel Lesser Frigatebird Fregatidae (Frigatebirds)
LC
Fregata magnificens Magnificent Frigatebird Fregatidae (Frigatebirds)
LC
Fregata minor Great Frigatebird Fregatidae (Frigatebirds)
LC
Fulica alai Hawaiian Coot Rallidae (Rails, Gallinules, Coots)
VU
Fulica americana American Coot Rallidae (Rails, Gallinules, Coots)
LC
Fulmarus glacialis Northern Fulmar Procellariidae (Petrels, Shearwaters)
LC
Gallinago delicata Wilson's Snipe Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Gallinula galeata Common Gallinule Rallidae (Rails, Gallinules, Coots)
LC
Gavia adamsii Yellow-billed Loon Gaviidae (Loons/Divers)
NT
Gavia immer Common Loon Gaviidae (Loons/Divers)
LC
Gavia pacifica Pacific Loon Gaviidae (Loons/Divers)
LC
Gavia stellata Red-throated Loon Gaviidae (Loons/Divers)
LC
Gelochelidon nilotica Common Gull-billed Tern Laridae (Gulls, Terns, Skimmers)
LC
Geococcyx californianus Greater Roadrunner Cuculidae (Cuckoos)
LC
Geothlypis formosa Kentucky Warbler Parulidae (New World warblers)
LC
Geothlypis philadelphia Mourning Warbler Parulidae (New World warblers)
LC
Geothlypis tolmiei MacGillivray's Warbler Parulidae (New World warblers)
LC
Geothlypis trichas Common Yellowthroat Parulidae (New World warblers)
LC
Geotrygon chrysia Key West Quail-dove Columbidae (Pigeons, Doves)
LC
Geranoaetus albicaudatus White-tailed Hawk Accipitridae (Hawks, Eagles)
LC
Glaucidium brasilianum Ferruginous Pygmy-owl Strigidae (Typical Owls)
LC
Glaucidium californicum Northern Pygmy-owl Strigidae (Typical Owls)
LC
Glaucidium gnoma Mountain Pygmy-owl Strigidae (Typical Owls)
LC
Grus americana Whooping Crane Gruidae (Cranes)
EN
Grus canadensis Sandhill Crane Gruidae (Cranes)
LC
Gygis alba Common White Tern Laridae (Gulls, Terns, Skimmers)
LC
Gymnogyps californianus California Condor Cathartidae (New World vultures)
CR
Gymnorhinus cyanocephalus Pinyon Jay Corvidae (Crows and jays)
VU
Haematopus ater Blackish Oystercatcher Haematopodidae (Oystercatchers)
LC
Haematopus palliatus American Oystercatcher Haematopodidae (Oystercatchers)
LC
Haemorhous cassinii Cassin's Finch Fringillidae (Finches and Hawaiian honeycreepers)
LC
Haemorhous mexicanus House Finch Fringillidae (Finches and Hawaiian honeycreepers)
LC
Haemorhous purpureus Purple Finch Fringillidae (Finches and Hawaiian honeycreepers)
LC
Haliaeetus leucocephalus Bald Eagle Accipitridae (Hawks, Eagles)
LC
Heliomaster constantii Plain-capped Starthroat Trochilidae (Hummingbirds)
LC
Helmitheros vermivorum Worm-eating Warbler Parulidae (New World warblers)
LC
Hemignathus affinis Maui Nukupuu Fringillidae (Finches and Hawaiian honeycreepers)
CR (PE)
Hemignathus hanapepe Kauai Nukupuu Fringillidae (Finches and Hawaiian honeycreepers)
CR (PE)
Hemignathus lucidus Oahu Nukupuu Fringillidae (Finches and Hawaiian honeycreepers)
EX
Hemignathus wilsoni Akiapolaau Fringillidae (Finches and Hawaiian honeycreepers)
EN
Hesperiphona vespertina Evening Grosbeak Fringillidae (Finches and Hawaiian honeycreepers)
VU
Himantopus himantopus Black-winged Stilt Recurvirostridae (Avocets, Stilts)
LC
Himatione fraithii Laysan Honeycreeper Fringillidae (Finches and Hawaiian honeycreepers)
EX
Himatione sanguinea Apapane Fringillidae (Finches and Hawaiian honeycreepers)
LC
Hirundo rustica Barn Swallow Hirundinidae (Swallows and martins)
LC
Histrionicus histrionicus Harlequin Duck Anatidae (Ducks, Geese, Swans)
LC
Hydrobates castro Band-rumped Storm-petrel Hydrobatidae (Northern Storm-petrels)
LC
Hydrobates furcatus Fork-tailed Storm-petrel Hydrobatidae (Northern Storm-petrels)
LC
Hydrobates homochroa Ashy Storm-petrel Hydrobatidae (Northern Storm-petrels)
EN
Hydrobates leucorhous Leach's Storm-petrel Hydrobatidae (Northern Storm-petrels)
VU
Hydrobates melania Black Storm-petrel Hydrobatidae (Northern Storm-petrels)
LC
Hydrobates microsoma Least Storm-petrel Hydrobatidae (Northern Storm-petrels)
LC
Hydrobates socorroensis Townsend's Storm-petrel Hydrobatidae (Northern Storm-petrels)
EN
Hydrobates tristrami Tristram's Storm-petrel Hydrobatidae (Northern Storm-petrels)
LC
Hydrocoloeus minutus Little Gull Laridae (Gulls, Terns, Skimmers)
LC
Hydroprogne caspia Caspian Tern Laridae (Gulls, Terns, Skimmers)
LC
Hylatomus pileatus Pileated Woodpecker Picidae (Woodpeckers)
LC
Hylocichla mustelina Wood Thrush Turdidae (Thrushes)
LC
Hypotaenidia wakensis Wake Rail Rallidae (Rails, Gallinules, Coots)
EX
Icteria virens Yellow-breasted Chat Icteridae (New World blackbirds)
LC
Icterus bullockiorum Bullock's Oriole Icteridae (New World blackbirds)
LC
Icterus cucullatus Hooded Oriole Icteridae (New World blackbirds)
LC
Icterus galbula Baltimore Oriole Icteridae (New World blackbirds)
LC
Icterus graduacauda Audubon's Oriole Icteridae (New World blackbirds)
LC
Icterus gularis Altamira Oriole Icteridae (New World blackbirds)
LC
Icterus parisorum Scott's Oriole Icteridae (New World blackbirds)
LC
Icterus spurius Orchard Oriole Icteridae (New World blackbirds)
LC
Ictinia mississippiensis Mississippi Kite Accipitridae (Hawks, Eagles)
LC
Ixobrychus exilis Least Bittern Ardeidae (Herons)
LC
Ixoreus naevius Varied Thrush Turdidae (Thrushes)
LC
Junco hyemalis Dark-eyed Junco Passerellidae (New World sparrows)
LC
Junco phaeonotus Yellow-eyed Junco Passerellidae (New World sparrows)
LC
Lagopus lagopus Willow Grouse Phasianidae (Pheasants, Partridges, Turkeys, Grouse)
LC
Lagopus leucura White-tailed Ptarmigan Phasianidae (Pheasants, Partridges, Turkeys, Grouse)
LC
Lagopus muta Rock Ptarmigan Phasianidae (Pheasants, Partridges, Turkeys, Grouse)
LC
Lampornis clemenciae Blue-throated Hummingbird Trochilidae (Hummingbirds)
LC
Lanius borealis Northern Grey Shrike Laniidae (Shrikes)
LC
Lanius ludovicianus Loggerhead Shrike Laniidae (Shrikes)
NT
Larus atricilla Laughing Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus californicus California Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus canus Mew Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus delawarensis Ring-billed Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus fuscus Lesser Black-backed Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus glaucescens Glaucous-winged Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus glaucoides Iceland Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus heermanni Heermann's Gull Laridae (Gulls, Terns, Skimmers)
NT
Larus hyperboreus Glaucous Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus livens Yellow-footed Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus marinus Great Black-backed Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus occidentalis Western Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus philadelphia Bonaparte's Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus pipixcan Franklin's Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus ridibundus Black-headed Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus schistisagus Slaty-backed Gull Laridae (Gulls, Terns, Skimmers)
LC
Larus smithsonianus Arctic Herring Gull Laridae (Gulls, Terns, Skimmers)
LC
Laterallus jamaicensis Black Rail Rallidae (Rails, Gallinules, Coots)
EN
Leiothlypis celata Orange-crowned Warbler Parulidae (New World warblers)
LC
Leiothlypis crissalis Colima Warbler Parulidae (New World warblers)
LC
Leiothlypis luciae Lucy's Warbler Parulidae (New World warblers)
LC
Leiothlypis peregrina Tennessee Warbler Parulidae (New World warblers)
LC
Leiothlypis ruficapilla Nashville Warbler Parulidae (New World warblers)
LC
Leiothlypis virginiae Virginia's Warbler Parulidae (New World warblers)
LC
Leptotila verreauxi White-tipped Dove Columbidae (Pigeons, Doves)
LC
Leuconotopicus albolarvatus White-headed Woodpecker Picidae (Woodpeckers)
LC
Leuconotopicus arizonae Arizona Woodpecker Picidae (Woodpeckers)
LC
Leuconotopicus borealis Red-cockaded Woodpecker Picidae (Woodpeckers)
NT
Leuconotopicus villosus Hairy Woodpecker Picidae (Woodpeckers)
LC
Leucosticte atrata Black Rosy-finch Fringillidae (Finches and Hawaiian honeycreepers)
EN
Leucosticte australis Brown-capped Rosy-finch Fringillidae (Finches and Hawaiian honeycreepers)
EN
Leucosticte tephrocotis Grey-crowned Rosy-Finch Fringillidae (Finches and Hawaiian honeycreepers)
LC
Limnodromus griseus Short-billed Dowitcher Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Limnodromus scolopaceus Long-billed Dowitcher Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Limnothlypis swainsonii Swainson's Warbler Parulidae (New World warblers)
LC
Limosa fedoa Marbled Godwit Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Limosa haemastica Hudsonian Godwit Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Limosa lapponica Bar-tailed Godwit Scolopacidae (Sandpipers, Snipes, Phalaropes)
NT
Lophodytes cucullatus Hooded Merganser Anatidae (Ducks, Geese, Swans)
LC
Loxia curvirostra Red Crossbill Fringillidae (Finches and Hawaiian honeycreepers)
LC
Loxia leucoptera Two-barred Crossbill Fringillidae (Finches and Hawaiian honeycreepers)
LC
Loxioides bailleui Palila Fringillidae (Finches and Hawaiian honeycreepers)
CR
Loxops caeruleirostris Akekee Fringillidae (Finches and Hawaiian honeycreepers)
CR
Loxops coccineus Hawaii Akepa Fringillidae (Finches and Hawaiian honeycreepers)
EN
Loxops ochraceus Maui Akepa Fringillidae (Finches and Hawaiian honeycreepers)
CR (PE)
Loxops wolstenholmei Oahu Akepa Fringillidae (Finches and Hawaiian honeycreepers)
EX
Magumma parva Anianiau Fringillidae (Finches and Hawaiian honeycreepers)
VU
Manucerthia mana Hawaii Creeper Fringillidae (Finches and Hawaiian honeycreepers)
EN
Mareca americana American Wigeon Anatidae (Ducks, Geese, Swans)
LC
Mareca penelope Eurasian Wigeon Anatidae (Ducks, Geese, Swans)
LC
Mareca strepera Gadwall Anatidae (Ducks, Geese, Swans)
LC
Megaceryle alcyon Belted Kingfisher Alcedinidae (Kingfishers)
LC
Megaceryle torquata Ringed Kingfisher Alcedinidae (Kingfishers)
LC
Megascops asio Eastern Screech-owl Strigidae (Typical Owls)
LC
Megascops kennicottii Western Screech-owl Strigidae (Typical Owls)
LC
Megascops trichopsis Whiskered Screech-owl Strigidae (Typical Owls)
LC
Melamprosops phaeosoma Poo-uli Fringillidae (Finches and Hawaiian honeycreepers)
EX
Melanerpes aurifrons Golden-fronted Woodpecker Picidae (Woodpeckers)
LC
Melanerpes carolinus Red-bellied Woodpecker Picidae (Woodpeckers)
LC
Melanerpes erythrocephalus Red-headed Woodpecker Picidae (Woodpeckers)
LC
Melanerpes formicivorus Acorn Woodpecker Picidae (Woodpeckers)
LC
Melanerpes lewis Lewis's Woodpecker Picidae (Woodpeckers)
LC
Melanerpes uropygialis Gila Woodpecker Picidae (Woodpeckers)
LC
Melanitta americana Black Scoter Anatidae (Ducks, Geese, Swans)
NT
Melanitta deglandi White-winged Scoter Anatidae (Ducks, Geese, Swans)
LC
Melanitta perspicillata Surf Scoter Anatidae (Ducks, Geese, Swans)
LC
Melanospiza bicolor Black-faced Grassquit Thraupidae (Tanagers)
LC
Meleagris gallopavo Wild Turkey Phasianidae (Pheasants, Partridges, Turkeys, Grouse)
LC
Melospiza georgiana Swamp Sparrow Passerellidae (New World sparrows)
LC
Melospiza lincolnii Lincoln's Sparrow Passerellidae (New World sparrows)
LC
Melospiza melodia Song Sparrow Passerellidae (New World sparrows)
LC
Melozone aberti Abert's Towhee Passerellidae (New World sparrows)
LC
Melozone crissalis California Towhee Passerellidae (New World sparrows)
LC
Melozone fusca Canyon Towhee Passerellidae (New World sparrows)
LC
Mergus merganser Goosander Anatidae (Ducks, Geese, Swans)
LC
Mergus serrator Red-breasted Merganser Anatidae (Ducks, Geese, Swans)
LC
Micrathene whitneyi Elf Owl Strigidae (Typical Owls)
LC
Mimus gundlachii Bahama Mockingbird Mimidae (Mockingbirds and thrashers)
LC
Mimus polyglottos Northern Mockingbird Mimidae (Mockingbirds and thrashers)
LC
Mitrephanes phaeocercus Tufted Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Mniotilta varia Black-and-white Warbler Parulidae (New World warblers)
LC
Moho apicalis Oahu Oo Mohoidae (Hawaiian honeyeaters)
EX
Moho bishopi Bishop's Oo Mohoidae (Hawaiian honeyeaters)
EX
Moho braccatus Kauai Oo Mohoidae (Hawaiian honeyeaters)
EX
Moho nobilis Hawaii Oo Mohoidae (Hawaiian honeyeaters)
EX
Molothrus aeneus Bronzed Cowbird Icteridae (New World blackbirds)
LC
Molothrus ater Brown-headed Cowbird Icteridae (New World blackbirds)
LC
Molothrus bonariensis Shiny Cowbird Icteridae (New World blackbirds)
LC
Morus bassanus Northern Gannet Sulidae (Gannets, Boobies)
LC
Motacilla alba White Wagtail Motacillidae (Wagtails and pipits)
LC
Motacilla tschutschensis Eastern Yellow Wagtail Motacillidae (Wagtails and pipits)
LC
Myadestes lanaiensis Olomao Turdidae (Thrushes)
CR (PE)
Myadestes myadestinus Kamao Turdidae (Thrushes)
EX
Myadestes obscurus Omao Turdidae (Thrushes)
VU
Myadestes palmeri Puaiohi Turdidae (Thrushes)
CR
Myadestes townsendi Townsend's Solitaire Turdidae (Thrushes)
LC
Myadestes woahensis Amaui Turdidae (Thrushes)
EX
Mycteria americana Wood Stork Ciconiidae (Storks)
LC
Myiarchus cinerascens Ash-throated Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Myiarchus crinitus Great Crested Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Myiarchus nuttingi Nutting's Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Myiarchus sagrae La Sagra's Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Myiarchus tuberculifer Dusky-capped Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Myiarchus tyrannulus Brown-crested Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Myioborus pictus Painted Whitestart Parulidae (New World warblers)
LC
Myiodynastes luteiventris Sulphur-bellied Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Myiopagis viridicata Greenish Elaenia Tyrannidae (Tyrant-flycatchers)
LC
Nannopterum auritus Double-crested Cormorant Phalacrocoracidae (Cormorants)
LC
Nannopterum brasilianus Neotropical Cormorant Phalacrocoracidae (Cormorants)
LC
Neocrex erythrops Paint-billed Crake Rallidae (Rails, Gallinules, Coots)
LC
Nesophlox evelynae Bahama Hummingbird Trochilidae (Hummingbirds)
LC
Nomonyx dominicus Masked Duck Anatidae (Ducks, Geese, Swans)
LC
Nucifraga columbiana Clark's Nutcracker Corvidae (Crows and jays)
LC
Numenius americanus Long-billed Curlew Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Numenius borealis Eskimo Curlew Scolopacidae (Sandpipers, Snipes, Phalaropes)
CR (PE)
Numenius phaeopus Whimbrel Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Numenius tahitiensis Bristle-thighed Curlew Scolopacidae (Sandpipers, Snipes, Phalaropes)
NT
Nyctanassa violacea Yellow-crowned Night-heron Ardeidae (Herons)
LC
Nycticorax nycticorax Black-crowned Night-heron Ardeidae (Herons)
LC
Nyctidromus albicollis Pauraque Caprimulgidae (Nightjars)
LC
Oceanites oceanicus Wilson's Storm-petrel Oceanitidae (Southern Storm-petrels)
LC
Oenanthe oenanthe Northern Wheatear Muscicapidae (Chats and Old World flycatchers)
LC
Onychoprion aleuticus Aleutian Tern Laridae (Gulls, Terns, Skimmers)
VU
Onychoprion anaethetus Bridled Tern Laridae (Gulls, Terns, Skimmers)
LC
Onychoprion fuscatus Sooty Tern Laridae (Gulls, Terns, Skimmers)
LC
Onychoprion lunatus Grey-backed Tern Laridae (Gulls, Terns, Skimmers)
LC
Oporornis agilis Connecticut Warbler Parulidae (New World warblers)
LC
Oreomystis bairdi Akikiki Fringillidae (Finches and Hawaiian honeycreepers)
CR
Oreortyx pictus Mountain Quail Odontophoridae (New World quails)
LC
Oreoscoptes montanus Sage Thrasher Mimidae (Mockingbirds and thrashers)
LC
Ortalis vetula Plain Chachalaca Cracidae (Guans, Chachalacas, Curassows)
LC
Oxyura jamaicensis Ruddy Duck Anatidae (Ducks, Geese, Swans)
LC
Pachyramphus aglaiae Rose-throated Becard Tityridae (Tityras and allies)
LC
Pagophila eburnea Ivory Gull Laridae (Gulls, Terns, Skimmers)
NT
Palmeria dolei Akohekohe Fringillidae (Finches and Hawaiian honeycreepers)
CR
Pandion haliaetus Osprey Pandionidae (Osprey)
LC
Parabuteo unicinctus Harris's Hawk Accipitridae (Hawks, Eagles)
LC
Pardirallus maculatus Spotted Rail Rallidae (Rails, Gallinules, Coots)
LC
Parkesia motacilla Louisiana Waterthrush Parulidae (New World warblers)
LC
Parkesia noveboracensis Northern Waterthrush Parulidae (New World warblers)
LC
Paroaria capitata Yellow-billed Cardinal Thraupidae (Tanagers)
LC
Paroreomyza flammea Kakawahie Fringillidae (Finches and Hawaiian honeycreepers)
EX
Paroreomyza maculata Oahu Alauahio Fringillidae (Finches and Hawaiian honeycreepers)
CR (PE)
Paroreomyza montana Maui Alauahio Fringillidae (Finches and Hawaiian honeycreepers)
EN
Passerculus bairdii Baird's Sparrow Passerellidae (New World sparrows)
LC
Passerculus guttatus Belding's Sparrow Passerellidae (New World sparrows)
LC
Passerculus henslowii Henslow's Sparrow Passerellidae (New World sparrows)
LC
Passerculus rostratus Large-billed Sparrow Passerellidae (New World sparrows)
LC
Passerculus sandwichensis Savannah Sparrow Passerellidae (New World sparrows)
LC
Passerella arborea American Tree Sparrow Passerellidae (New World sparrows)
LC
Passerella iliaca Red Fox-sparrow Passerellidae (New World sparrows)
LC
Passerella megarhyncha Thick-billed Fox-sparrow Passerellidae (New World sparrows)
LC
Passerella schistacea Slate-colored Fox-sparrow Passerellidae (New World sparrows)
LC
Passerella unalaschcensis Sooty Fox-sparrow Passerellidae (New World sparrows)
LC
Passerina amoena Lazuli Bunting Cardinalidae (Grosbeaks, saltators and allies)
LC
Passerina caerulea Blue Grosbeak Cardinalidae (Grosbeaks, saltators and allies)
LC
Passerina ciris Painted Bunting Cardinalidae (Grosbeaks, saltators and allies)
LC
Passerina cyanea Indigo Bunting Cardinalidae (Grosbeaks, saltators and allies)
LC
Passerina versicolor Varied Bunting Cardinalidae (Grosbeaks, saltators and allies)
LC
Patagioenas fasciata Northern Band-tailed Pigeon Columbidae (Pigeons, Doves)
LC
Patagioenas flavirostris Red-billed Pigeon Columbidae (Pigeons, Doves)
LC
Patagioenas leucocephala White-crowned Pigeon Columbidae (Pigeons, Doves)
NT
Patagioenas squamosa Scaly-naped Pigeon Columbidae (Pigeons, Doves)
LC
Pelecanus erythrorhynchos American White Pelican Pelecanidae (Pelicans)
LC
Pelecanus occidentalis Brown Pelican Pelecanidae (Pelicans)
LC
Perisoreus canadensis Grey Jay Corvidae (Crows and jays)
LC
Petrochelidon fulva Cave Swallow Hirundinidae (Swallows and martins)
LC
Petrochelidon pyrrhonota Cliff Swallow Hirundinidae (Swallows and martins)
LC
Peucaea aestivalis Bachman's Sparrow Passerellidae (New World sparrows)
NT
Peucaea botterii Botteri's Sparrow Passerellidae (New World sparrows)
LC
Peucaea carpalis Rufous-winged Sparrow Passerellidae (New World sparrows)
LC
Peucaea cassinii Cassin's Sparrow Passerellidae (New World sparrows)
LC
Peucedramus taeniatus Olive Warbler Peucedramidae (Olive Warbler)
LC
Phaethon lepturus White-tailed Tropicbird Phaethontidae (Tropicbirds)
LC
Phaethon rubricauda Red-tailed Tropicbird Phaethontidae (Tropicbirds)
LC
Phaetusa simplex Large-billed Tern Laridae (Gulls, Terns, Skimmers)
LC
Phainopepla nitens Phainopepla Ptiliogonatidae (Silky-flycatchers)
LC
Phalacrocorax carbo Great Cormorant Phalacrocoracidae (Cormorants)
LC
Phalaenoptilus nuttallii Common Poorwill Caprimulgidae (Nightjars)
LC
Phalaropus fulicarius Red Phalarope Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Phalaropus lobatus Red-necked Phalarope Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Pheucticus chrysopeplus Yellow Grosbeak Cardinalidae (Grosbeaks, saltators and allies)
LC
Pheucticus ludovicianus Rose-breasted Grosbeak Cardinalidae (Grosbeaks, saltators and allies)
LC
Pheucticus melanocephalus Black-headed Grosbeak Cardinalidae (Grosbeaks, saltators and allies)
LC
Phoebastria albatrus Short-tailed Albatross Diomedeidae (Albatrosses)
VU
Phoebastria immutabilis Laysan Albatross Diomedeidae (Albatrosses)
NT
Phoebastria nigripes Black-footed Albatross Diomedeidae (Albatrosses)
NT
Phoenicopterus ruber American Flamingo Phoenicopteridae (Flamingos)
LC
Phylloscopus borealis Arctic Warbler Phylloscopidae (Leaf-warblers)
LC
Pica hudsonia Black-billed Magpie Corvidae (Crows and jays)
LC
Pica nutalli Yellow-billed Magpie Corvidae (Crows and jays)
VU
Picoides arcticus Black-backed Woodpecker Picidae (Woodpeckers)
LC
Picoides tridactylus Three-toed Woodpecker Picidae (Woodpeckers)
LC
Pinicola enucleator Pine Grosbeak Fringillidae (Finches and Hawaiian honeycreepers)
LC
Pipilo chlorurus Green-tailed Towhee Passerellidae (New World sparrows)
LC
Pipilo erythrophthalmus Eastern Towhee Passerellidae (New World sparrows)
LC
Pipilo maculatus Spotted Towhee Passerellidae (New World sparrows)
LC
Piranga bidentata Flame-colored Tanager Cardinalidae (Grosbeaks, saltators and allies)
LC
Piranga hepatica Hepatic Tanager Cardinalidae (Grosbeaks, saltators and allies)
LC
Piranga ludoviciana Western Tanager Cardinalidae (Grosbeaks, saltators and allies)
LC
Piranga olivacea Scarlet Tanager Cardinalidae (Grosbeaks, saltators and allies)
LC
Piranga rubra Summer Tanager Cardinalidae (Grosbeaks, saltators and allies)
LC
Pitangus sulphuratus Great Kiskadee Tyrannidae (Tyrant-flycatchers)
LC
Platalea ajaja Roseate Spoonbill Threskiornithidae (Ibises, Spoonbills)
LC
Plectrophenax hyperboreus McKay's Bunting Calcariidae (Longspurs)
LC
Plectrophenax nivalis Snow Bunting Calcariidae (Longspurs)
LC
Plegadis chihi White-faced Ibis Threskiornithidae (Ibises, Spoonbills)
LC
Plegadis falcinellus Glossy Ibis Threskiornithidae (Ibises, Spoonbills)
LC
Pluvialis dominica American Golden Plover Charadriidae (Plovers)
LC
Pluvialis fulva Pacific Golden Plover Charadriidae (Plovers)
LC
Pluvialis squatarola Grey Plover Charadriidae (Plovers)
LC
Podiceps auritus Horned Grebe Podicipedidae (Grebes)
VU
Podiceps grisegena Red-necked Grebe Podicipedidae (Grebes)
LC
Podiceps nigricollis Black-necked Grebe Podicipedidae (Grebes)
LC
Podilymbus podiceps Pied-billed Grebe Podicipedidae (Grebes)
LC
Poecile atricapillus Black-capped Chickadee Paridae (Tits and chickadees)
LC
Poecile carolinensis Carolina Chickadee Paridae (Tits and chickadees)
LC
Poecile cinctus Siberian Tit Paridae (Tits and chickadees)
LC
Poecile gambeli Mountain Chickadee Paridae (Tits and chickadees)
LC
Poecile hudsonicus Boreal Chickadee Paridae (Tits and chickadees)
LC
Poecile rufescens Chestnut-backed Chickadee Paridae (Tits and chickadees)
LC
Poecile sclateri Mexican Chickadee Paridae (Tits and chickadees)
LC
Polioptila caerulea Blue-grey Gnatcatcher Polioptilidae (Gnatcatchers)
LC
Polioptila californica California Gnatcatcher Polioptilidae (Gnatcatchers)
LC
Polioptila melanura Black-tailed Gnatcatcher Polioptilidae (Gnatcatchers)
LC
Polioptila nigriceps Black-capped Gnatcatcher Polioptilidae (Gnatcatchers)
LC
Polysticta stelleri Steller's Eider Anatidae (Ducks, Geese, Swans)
VU
Pooecetes gramineus Vesper Sparrow Passerellidae (New World sparrows)
LC
Porphyrio flavirostris Azure Gallinule Rallidae (Rails, Gallinules, Coots)
LC
Porphyrio martinicus Purple Gallinule Rallidae (Rails, Gallinules, Coots)
LC
Porzana carolina Sora Rallidae (Rails, Gallinules, Coots)
LC
Progne cryptoleuca Cuban Martin Hirundinidae (Swallows and martins)
LC
Progne subis Purple Martin Hirundinidae (Swallows and martins)
LC
Protonotaria citrea Prothonotary Warbler Parulidae (New World warblers)
LC
Psaltriparus minimus American Bushtit Aegithalidae (Long-tailed Tits)
LC
Pseudonestor xanthophrys Maui Parrotbill Fringillidae (Finches and Hawaiian honeycreepers)
CR
Psiloscops flammeolus Flammulated Owl Strigidae (Typical Owls)
LC
Psittirostra psittacea Ou Fringillidae (Finches and Hawaiian honeycreepers)
CR (PE)
Pterodroma cahow Bermuda Petrel Procellariidae (Petrels, Shearwaters)
EN
Pterodroma cervicalis White-necked Petrel Procellariidae (Petrels, Shearwaters)
VU
Pterodroma cookii Cook's Petrel Procellariidae (Petrels, Shearwaters)
VU
Pterodroma deserta Desertas Petrel Procellariidae (Petrels, Shearwaters)
VU
Pterodroma externa Juan Fernandez Petrel Procellariidae (Petrels, Shearwaters)
VU
Pterodroma hasitata Black-capped Petrel Procellariidae (Petrels, Shearwaters)
EN
Pterodroma hypoleuca Bonin Petrel Procellariidae (Petrels, Shearwaters)
LC
Pterodroma inexpectata Mottled Petrel Procellariidae (Petrels, Shearwaters)
NT
Pterodroma longirostris Stejneger's Petrel Procellariidae (Petrels, Shearwaters)
VU
Pterodroma nigripennis Black-winged Petrel Procellariidae (Petrels, Shearwaters)
LC
Pterodroma pycrofti Pycroft's Petrel Procellariidae (Petrels, Shearwaters)
VU
Pterodroma sandwichensis Hawaiian Petrel Procellariidae (Petrels, Shearwaters)
EN
Pterodroma solandri Providence Petrel Procellariidae (Petrels, Shearwaters)
VU
Ptiliogonys cinereus Grey Silky-flycatcher Ptiliogonatidae (Silky-flycatchers)
LC
Ptychoramphus aleuticus Cassin's Auklet Alcidae (Auks)
NT
Puffinus bryani Bryan's Shearwater Procellariidae (Petrels, Shearwaters)
CR
Puffinus lherminieri Audubon's Shearwater Procellariidae (Petrels, Shearwaters)
LC
Puffinus nativitatis Christmas Shearwater Procellariidae (Petrels, Shearwaters)
LC
Puffinus newelli Newell's Shearwater Procellariidae (Petrels, Shearwaters)
CR
Puffinus opisthomelas Black-vented Shearwater Procellariidae (Petrels, Shearwaters)
NT
Puffinus puffinus Manx Shearwater Procellariidae (Petrels, Shearwaters)
LC
Pyrocephalus rubinus Common Vermilion Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Quiscalus major Boat-tailed Grackle Icteridae (New World blackbirds)
LC
Quiscalus mexicanus Great-tailed Grackle Icteridae (New World blackbirds)
LC
Quiscalus quiscula Common Grackle Icteridae (New World blackbirds)
NT
Rallus crepitans Clapper Rail Rallidae (Rails, Gallinules, Coots)
LC
Rallus elegans King Rail Rallidae (Rails, Gallinules, Coots)
NT
Rallus limicola Virginia Rail Rallidae (Rails, Gallinules, Coots)
LC
Rallus obsoletus Ridgway's Rail Rallidae (Rails, Gallinules, Coots)
NT
Recurvirostra americana American Avocet Recurvirostridae (Avocets, Stilts)
LC
Regulus calendula Ruby-crowned Kinglet Regulidae (Kinglets and firecrests)
LC
Regulus satrapa Golden-crowned Kinglet Regulidae (Kinglets and firecrests)
LC
Rhodacanthis flaviceps Lesser Koa-finch Fringillidae (Finches and Hawaiian honeycreepers)
EX
Rhodacanthis palmeri Greater Koa-finch Fringillidae (Finches and Hawaiian honeycreepers)
EX
Rhodostethia rosea Ross's Gull Laridae (Gulls, Terns, Skimmers)
LC
Rhynchophanes mccownii Thick-billed Longspur Calcariidae (Longspurs)
LC
Rhynchopsitta pachyrhyncha Thick-billed Parrot Psittacidae (Parrots)
EN
Riparia riparia Collared Sand Martin Hirundinidae (Swallows and martins)
LC
Rissa brevirostris Red-legged Kittiwake Laridae (Gulls, Terns, Skimmers)
VU
Rissa tridactyla Black-legged Kittiwake Laridae (Gulls, Terns, Skimmers)
VU
Rostrhamus sociabilis Snail Kite Accipitridae (Hawks, Eagles)
LC
Rynchops niger Black Skimmer Laridae (Gulls, Terns, Skimmers)
LC
Salpinctes obsoletus Rock Wren Troglodytidae (Wrens)
LC
Sayornis nigricans Black Phoebe Tyrannidae (Tyrant-flycatchers)
LC
Sayornis phoebe Eastern Phoebe Tyrannidae (Tyrant-flycatchers)
LC
Sayornis saya Say's Phoebe Tyrannidae (Tyrant-flycatchers)
LC
Scolopax minor American Woodcock Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Seiurus aurocapilla Ovenbird Parulidae (New World warblers)
LC
Selasphorus calliope Calliope Hummingbird Trochilidae (Hummingbirds)
LC
Selasphorus platycercus Broad-tailed Hummingbird Trochilidae (Hummingbirds)
LC
Selasphorus rufus Rufous Hummingbird Trochilidae (Hummingbirds)
NT
Selasphorus sasin Allen's Hummingbird Trochilidae (Hummingbirds)
LC
Setophaga americana Northern Parula Parulidae (New World warblers)
LC
Setophaga auduboni Audubon's Warbler Parulidae (New World warblers)
LC
Setophaga caerulescens Black-throated Blue Warbler Parulidae (New World warblers)
LC
Setophaga castanea Bay-breasted Warbler Parulidae (New World warblers)
LC
Setophaga cerulea Cerulean Warbler Parulidae (New World warblers)
NT
Setophaga chrysoparia Golden-cheeked Warbler Parulidae (New World warblers)
EN
Setophaga citrina Hooded Warbler Parulidae (New World warblers)
LC
Setophaga coronata Myrtle Warbler Parulidae (New World warblers)
LC
Setophaga discolor Prairie Warbler Parulidae (New World warblers)
LC
Setophaga dominica Yellow-throated Warbler Parulidae (New World warblers)
LC
Setophaga fusca Blackburnian Warbler Parulidae (New World warblers)
LC
Setophaga graciae Grace's Warbler Parulidae (New World warblers)
LC
Setophaga kirtlandii Kirtland's Warbler Parulidae (New World warblers)
NT
Setophaga magnolia Magnolia Warbler Parulidae (New World warblers)
LC
Setophaga nigrescens Black-throated Grey Warbler Parulidae (New World warblers)
LC
Setophaga occidentalis Hermit Warbler Parulidae (New World warblers)
LC
Setophaga palmarum Palm Warbler Parulidae (New World warblers)
LC
Setophaga pensylvanica Chestnut-sided Warbler Parulidae (New World warblers)
LC
Setophaga petechia American Yellow Warbler Parulidae (New World warblers)
LC
Setophaga pinus Pine Warbler Parulidae (New World warblers)
LC
Setophaga pitiayumi Tropical Parula Parulidae (New World warblers)
LC
Setophaga ruticilla American Redstart Parulidae (New World warblers)
LC
Setophaga striata Blackpoll Warbler Parulidae (New World warblers)
NT
Setophaga tigrina Cape May Warbler Parulidae (New World warblers)
LC
Setophaga townsendi Townsend's Warbler Parulidae (New World warblers)
LC
Setophaga virens Black-throated Green Warbler Parulidae (New World warblers)
LC
Sialia currucoides Mountain Bluebird Turdidae (Thrushes)
LC
Sialia mexicana Western Bluebird Turdidae (Thrushes)
LC
Sialia sialis Eastern Bluebird Turdidae (Thrushes)
LC
Sitta canadensis Red-breasted Nuthatch Sittidae (Nuthatches and Wallcreeper)
LC
Sitta carolinensis White-breasted Nuthatch Sittidae (Nuthatches and Wallcreeper)
LC
Sitta pusilla Brown-headed Nuthatch Sittidae (Nuthatches and Wallcreeper)
LC
Sitta pygmaea Pygmy Nuthatch Sittidae (Nuthatches and Wallcreeper)
LC
Somateria fischeri Spectacled Eider Anatidae (Ducks, Geese, Swans)
NT
Somateria mollissima Common Eider Anatidae (Ducks, Geese, Swans)
NT
Somateria spectabilis King Eider Anatidae (Ducks, Geese, Swans)
LC
Spatula clypeata Northern Shoveler Anatidae (Ducks, Geese, Swans)
LC
Spatula cyanoptera Cinnamon Teal Anatidae (Ducks, Geese, Swans)
LC
Spatula discors Blue-winged Teal Anatidae (Ducks, Geese, Swans)
LC
Sphyrapicus nuchalis Red-naped Sapsucker Picidae (Woodpeckers)
LC
Sphyrapicus ruber Red-breasted Sapsucker Picidae (Woodpeckers)
LC
Sphyrapicus thyroideus Williamson's Sapsucker Picidae (Woodpeckers)
LC
Sphyrapicus varius Yellow-bellied Sapsucker Picidae (Woodpeckers)
LC
Spindalis zena Western Spindalis Spindalidae (Spindalises)
LC
Spinus lawrencei Lawrence's Goldfinch Fringillidae (Finches and Hawaiian honeycreepers)
LC
Spinus pinus Pine Siskin Fringillidae (Finches and Hawaiian honeycreepers)
LC
Spinus psaltria Lesser Goldfinch Fringillidae (Finches and Hawaiian honeycreepers)
LC
Spinus tristis American Goldfinch Fringillidae (Finches and Hawaiian honeycreepers)
LC
Spiza americana Dickcissel Cardinalidae (Grosbeaks, saltators and allies)
LC
Spizella atrogularis Black-chinned Sparrow Passerellidae (New World sparrows)
LC
Spizella breweri Brewer's Sparrow Passerellidae (New World sparrows)
LC
Spizella pallida Clay-colored Sparrow Passerellidae (New World sparrows)
LC
Spizella passerina Chipping Sparrow Passerellidae (New World sparrows)
LC
Spizella pusilla Field Sparrow Passerellidae (New World sparrows)
LC
Spizella wortheni Worthen's Sparrow Passerellidae (New World sparrows)
EN
Sporophila morelleti White-collared Seedeater Thraupidae (Tanagers)
LC
Steganopus tricolor Wilson's Phalarope Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Stelgidopteryx serripennis Northern Rough-winged Swallow Hirundinidae (Swallows and martins)
LC
Stercorarius longicaudus Long-tailed Jaeger Stercorariidae (Skuas)
LC
Stercorarius parasiticus Arctic Jaeger Stercorariidae (Skuas)
LC
Stercorarius pomarinus Pomarine Jaeger Stercorariidae (Skuas)
LC
Sterna dougallii Roseate Tern Laridae (Gulls, Terns, Skimmers)
LC
Sterna forsteri Forster's Tern Laridae (Gulls, Terns, Skimmers)
LC
Sterna hirundo Common Tern Laridae (Gulls, Terns, Skimmers)
LC
Sterna paradisaea Arctic Tern Laridae (Gulls, Terns, Skimmers)
LC
Sternula antillarum Least Tern Laridae (Gulls, Terns, Skimmers)
LC
Strix nebulosa Great Grey Owl Strigidae (Typical Owls)
LC
Strix occidentalis Spotted Owl Strigidae (Typical Owls)
NT
Strix varia Barred Owl Strigidae (Typical Owls)
LC
Sturnella magna Eastern Meadowlark Icteridae (New World blackbirds)
NT
Sturnella neglecta Western Meadowlark Icteridae (New World blackbirds)
LC
Sula dactylatra Masked Booby Sulidae (Gannets, Boobies)
LC
Sula leucogaster Brown Booby Sulidae (Gannets, Boobies)
LC
Sula nebouxii Blue-footed Booby Sulidae (Gannets, Boobies)
LC
Sula sula Red-footed Booby Sulidae (Gannets, Boobies)
LC
Surnia ulula Northern Hawk-owl Strigidae (Typical Owls)
LC
Synthliboramphus antiquus Ancient Murrelet Alcidae (Auks)
LC
Synthliboramphus craveri Craveri's Murrelet Alcidae (Auks)
VU
Synthliboramphus hypoleucus Guadalupe Murrelet Alcidae (Auks)
EN
Synthliboramphus scrippsi Scripps's Murrelet Alcidae (Auks)
VU
Tachornis phoenicobia Antillean Palm-swift Apodidae (Swifts)
LC
Tachybaptus dominicus Least Grebe Podicipedidae (Grebes)
LC
Tachycineta bicolor Tree Swallow Hirundinidae (Swallows and martins)
LC
Tachycineta cyaneoviridis Bahama Swallow Hirundinidae (Swallows and martins)
EN
Tachycineta thalassina Violet-green Swallow Hirundinidae (Swallows and martins)
LC
Telespiza cantans Laysan Finch Fringillidae (Finches and Hawaiian honeycreepers)
VU
Telespiza ultima Nihoa Finch Fringillidae (Finches and Hawaiian honeycreepers)
CR
Thalasseus elegans Elegant Tern Laridae (Gulls, Terns, Skimmers)
NT
Thalasseus maximus Royal Tern Laridae (Gulls, Terns, Skimmers)
LC
Thalasseus sandvicensis Sandwich Tern Laridae (Gulls, Terns, Skimmers)
LC
Thryomanes bewickii Bewick's Wren Troglodytidae (Wrens)
LC
Thryothorus ludovicianus Carolina Wren Troglodytidae (Wrens)
LC
Tiaris olivaceus Yellow-faced Grassquit Thraupidae (Tanagers)
LC
Toxostoma bendirei Bendire's Thrasher Mimidae (Mockingbirds and thrashers)
VU
Toxostoma crissale Crissal Thrasher Mimidae (Mockingbirds and thrashers)
LC
Toxostoma curvirostre Curve-billed Thrasher Mimidae (Mockingbirds and thrashers)
LC
Toxostoma lecontei Le Conte's Thrasher Mimidae (Mockingbirds and thrashers)
LC
Toxostoma longirostre Long-billed Thrasher Mimidae (Mockingbirds and thrashers)
LC
Toxostoma redivivum California Thrasher Mimidae (Mockingbirds and thrashers)
LC
Toxostoma rufum Brown Thrasher Mimidae (Mockingbirds and thrashers)
LC
Tringa brevipes Grey-tailed Tattler Scolopacidae (Sandpipers, Snipes, Phalaropes)
NT
Tringa flavipes Lesser Yellowlegs Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Tringa glareola Wood Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Tringa incana Wandering Tattler Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Tringa melanoleuca Greater Yellowlegs Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Tringa semipalmata Willet Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Tringa solitaria Solitary Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Troglodytes aedon House Wren Troglodytidae (Wrens)
LC
Troglodytes hiemalis Winter Wren Troglodytidae (Wrens)
LC
Troglodytes pacificus Pacific Wren Troglodytidae (Wrens)
LC
Trogon ambiguus Coppery-tailed Trogon Trogonidae (Trogons)
LC
Turdus assimilis White-throated Thrush Turdidae (Thrushes)
LC
Turdus grayi Clay-colored Thrush Turdidae (Thrushes)
LC
Turdus migratorius American Robin Turdidae (Thrushes)
LC
Turdus rufopalliatus Rufous-backed Thrush Turdidae (Thrushes)
LC
Tympanuchus cupido Greater Prairie-chicken Phasianidae (Pheasants, Partridges, Turkeys, Grouse)
NT
Tympanuchus pallidicinctus Lesser Prairie-chicken Phasianidae (Pheasants, Partridges, Turkeys, Grouse)
VU
Tympanuchus phasianellus Sharp-tailed Grouse Phasianidae (Pheasants, Partridges, Turkeys, Grouse)
LC
Tyrannus caudifasciatus Loggerhead Kingbird Tyrannidae (Tyrant-flycatchers)
LC
Tyrannus couchii Couch's Kingbird Tyrannidae (Tyrant-flycatchers)
LC
Tyrannus crassirostris Thick-billed Kingbird Tyrannidae (Tyrant-flycatchers)
LC
Tyrannus dominicensis Grey Kingbird Tyrannidae (Tyrant-flycatchers)
LC
Tyrannus forficatus Scissor-tailed Flycatcher Tyrannidae (Tyrant-flycatchers)
LC
Tyrannus melancholicus Tropical Kingbird Tyrannidae (Tyrant-flycatchers)
LC
Tyrannus tyrannus Eastern Kingbird Tyrannidae (Tyrant-flycatchers)
LC
Tyrannus verticalis Western Kingbird Tyrannidae (Tyrant-flycatchers)
LC
Tyrannus vociferans Cassin's Kingbird Tyrannidae (Tyrant-flycatchers)
LC
Tyto alba Common Barn-owl Tytonidae (Barn-owls)
LC
Uria aalge Common Murre Alcidae (Auks)
LC
Uria lomvia Thick-billed Murre Alcidae (Auks)
LC
Urile pelagicus Pelagic Cormorant Phalacrocoracidae (Cormorants)
LC
Urile penicillatus Brandt's Cormorant Phalacrocoracidae (Cormorants)
LC
Urile urile Red-faced Cormorant Phalacrocoracidae (Cormorants)
LC
Vermivora bachmanii Bachman's Warbler Parulidae (New World warblers)
CR (PE)
Vermivora chrysoptera Golden-winged Warbler Parulidae (New World warblers)
NT
Vermivora cyanoptera Blue-winged Warbler Parulidae (New World warblers)
LC
Vireo altiloquus Black-whiskered Vireo Vireonidae (Vireos and allies)
LC
Vireo atricapilla Black-capped Vireo Vireonidae (Vireos and allies)
NT
Vireo bellii Bell's Vireo Vireonidae (Vireos and allies)
LC
Vireo cassinii Cassin's Vireo Vireonidae (Vireos and allies)
LC
Vireo crassirostris Thick-billed Vireo Vireonidae (Vireos and allies)
LC
Vireo flavifrons Yellow-throated Vireo Vireonidae (Vireos and allies)
LC
Vireo flavoviridis Yellow-green Vireo Vireonidae (Vireos and allies)
LC
Vireo gilvus Warbling Vireo Vireonidae (Vireos and allies)
LC
Vireo griseus White-eyed Vireo Vireonidae (Vireos and allies)
LC
Vireo huttoni Hutton's Vireo Vireonidae (Vireos and allies)
LC
Vireo magister Yucatan Vireo Vireonidae (Vireos and allies)
LC
Vireo olivaceus Red-eyed Vireo Vireonidae (Vireos and allies)
LC
Vireo philadelphicus Philadelphia Vireo Vireonidae (Vireos and allies)
LC
Vireo plumbeus Plumbeous Vireo Vireonidae (Vireos and allies)
LC
Vireo solitarius Blue-headed Vireo Vireonidae (Vireos and allies)
LC
Vireo vicinior Grey Vireo Vireonidae (Vireos and allies)
LC
Viridonia sagittirostris Greater Amakihi Fringillidae (Finches and Hawaiian honeycreepers)
EX
Xanthocephalus xanthocephalus Yellow-headed Blackbird Icteridae (New World blackbirds)
LC
Xema sabini Sabine's Gull Laridae (Gulls, Terns, Skimmers)
LC
Xenus cinereus Terek Sandpiper Scolopacidae (Sandpipers, Snipes, Phalaropes)
LC
Zapornia palmeri Laysan Rail Rallidae (Rails, Gallinules, Coots)
EX
Zapornia sandwichensis Hawaiian Rail Rallidae (Rails, Gallinules, Coots)
EX
Zenaida asiatica White-winged Dove Columbidae (Pigeons, Doves)
LC
Zenaida aurita Zenaida Dove Columbidae (Pigeons, Doves)
LC
Zenaida macroura Mourning Dove Columbidae (Pigeons, Doves)
LC
Zonotrichia albicollis White-throated Sparrow Passerellidae (New World sparrows)
LC
Zonotrichia atricapilla Golden-crowned Sparrow Passerellidae (New World sparrows)
LC
Zonotrichia leucophrys White-crowned Sparrow Passerellidae (New World sparrows)
LC
Zonotrichia querula Harris's Sparrow Passerellidae (New World sparrows)
NT