Mallard x American Black Duck (hybrid)
Mallard/American Black Duck
Mottled Duck
Northern Pintail
Gadwall x Northern Pintail (hybrid)
Mallard x Northern Pintail (hybrid)
Green-winged Teal
Cinnamon x Green-winged Teal (hybrid)
Gadwall x Green-winged Teal (hybrid)
Anas sp.
teal sp.
dabbling duck sp.
Canvasback
Redhead
Mallard x Redhead (hybrid)
Ring-necked Duck
Baer's Pochard
Tufted Duck
Greater Scaup
Ring-necked Duck x Greater Scaup (hybrid)
Tufted Duck x Greater Scaup (hybrid)
Lesser Scaup
Tufted Duck x Lesser Scaup (hybrid)
Tufted Duck x scaup sp. (hybrid)
Greater/Lesser Scaup
Aythya sp.
Steller's Eider
King Eider
Common Eider
King/Common Eider
eider sp.
Harlequin Duck
Surf Scoter
White-winged Scoter
Black Scoter
Surf/Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Bufflehead x Common Goldeneye (hybrid)
Barrow's Goldeneye
Common x Barrow's Goldeneye (hybrid)
Common/Barrow's Goldeneye
Hooded Merganser
Wood Duck x Hooded Merganser (hybrid)
Common Goldeneye x Hooded Merganser (hybrid)
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
merganser sp.
Masked Duck
Ruddy Duck
duck sp.
waterfowl sp.
Grouse, Quail, and Allies
Helmeted Guineafowl
Northern Bobwhite
California Quail
Gambel's Quail
new world quail sp.
Wild Turkey
Ruffed Grouse
Sharp-tailed Grouse
Greater Prairie-Chicken
Willow Ptarmigan
grouse sp.
Gray Partridge
Golden Pheasant
Lady Amherst's Pheasant
Ring-necked Pheasant
Ring-necked/Green Pheasant
Silver Pheasant
Indian Peafowl
pheasant sp.
Red Junglefowl
Blue-breasted Quail
Common Quail
Japanese Quail
old world quail sp.
Chukar
Pigeons and Doves
Rock Pigeon
Band-tailed Pigeon
Passenger Pigeon
European Turtle-Dove
Eurasian Collared-Dove
African Collared-Dove
Spotted Dove
Diamond Dove
Common Ground Dove
White-winged Dove
Mourning Dove
pigeon/dove sp.
Cuckoos
Yellow-billed Cuckoo
Black-billed Cuckoo
Yellow-billed/Black-billed Cuckoo
Coccyzus sp.
Common Cuckoo
cuckoo sp. (Cuculidae sp.)
Nightjars
Common Nighthawk
nighthawk sp.
Chuck-will's-widow
Eastern Whip-poor-will
Antrostomus sp.
Caprimulgus sp.
nightjar sp.
Swifts
Chimney Swift
Chimney/Vaux's Swift
Chaetura sp.
large swift sp.
swift sp.
Hummingbirds
Ruby-throated Hummingbird
Black-chinned Hummingbird
Ruby-throated/Black-chinned Hummingbird
Calliope Hummingbird
Rufous Hummingbird
Allen's Hummingbird
Rufous/Allen's Hummingbird
Selasphorus sp.
Broad-billed Hummingbird
hummingbird sp.
Rails, Gallinules, and Allies
King Rail
Clapper Rail
King/Clapper Rail
large rail sp.
Virginia Rail
King/Virginia Rail
Rallus sp.
Sora
Common Gallinule
American Coot
Purple Gallinule
moorhen/coot/gallinule sp.
Yellow Rail
Black Rail
rail/crake sp.
Cranes
Sandhill Crane
Shorebirds
Black-necked Stilt
American Avocet
American Oystercatcher
Black-bellied Plover
European Golden-Plover
American Golden-Plover
Pacific Golden-Plover
American/Pacific Golden-Plover (Lesser Golden-Plover)
golden-plover sp.
Black-bellied Plover/golden-plover sp.
Killdeer
Common Ringed Plover
Semipalmated Plover
Common Ringed/Semipalmated Plover
Piping Plover
Charadrius/Thinornis sp.
Northern Lapwing
Siberian Sand-Plover
Wilson's Plover
Mountain Plover
Snowy Plover
small plover sp.
plover sp.
Upland Sandpiper
Whimbrel
Eskimo Curlew
Long-billed Curlew
Eurasian Curlew
curlew sp.
Bar-tailed Godwit
Black-tailed Godwit
Hudsonian Godwit
Marbled Godwit
Hudsonian/Marbled Godwit
godwit sp.
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
American Woodcock
Wilson's Snipe
Wilson's Phalarope
Red Phalarope
Red-necked Phalarope
Red/Red-necked Phalarope
phalarope sp.
Terek Sandpiper
Spotted Sandpiper
Common/Spotted Sandpiper
Solitary Sandpiper
Gray-tailed Tattler
Wandering Tattler
Common Redshank
Lesser Yellowlegs
Willet
Spotted Redshank
Common Greenshank
Greater Yellowlegs
Lesser/Greater Yellowlegs
Tringa sp.
Ruddy Turnstone
Red Knot
Ruff
Broad-billed Sandpiper
Sharp-tailed Sandpiper
Curlew Sandpiper
Stilt Sandpiper
Red-necked Stint
Buff-breasted Sandpiper
Sanderling
Dunlin
Purple Sandpiper
Baird's Sandpiper
Little Stint
Red-necked/Little Stint
White-rumped Sandpiper
Dunlin x White-rumped Sandpiper (hybrid)
Least Sandpiper
Pectoral Sandpiper
Curlew x Pectoral Sandpiper (hybrid)
Western Sandpiper
Semipalmated Sandpiper
White-rumped x Semipalmated Sandpiper (hybrid)
Western/Semipalmated Sandpiper
peep sp.
Calidris sp.
Scolopacidae sp.
large shorebird sp.
shorebird sp.
Skuas and Jaegers
Long-tailed Jaeger
Parasitic Jaeger
Long-tailed/Parasitic Jaeger
Pomarine Jaeger
Parasitic/Pomarine Jaeger
Great Skua
South Polar Skua
jaeger sp.
skua sp.
jaeger/skua sp.
Alcids
Atlantic Puffin
Long-billed Murrelet
Black Guillemot
Razorbill
Dovekie
Thick-billed Murre
Common Murre
Thick-billed/Common Murre
large alcid sp.
Ancient Murrelet
alcid sp.
Gulls, Terns, and Skimmers
Little Gull
Ross's Gull
Black-legged Kittiwake
Ivory Gull
Sabine's Gull
Bonaparte's Gull
Black-headed Gull
Laughing Gull
Franklin's Gull
Black-tailed Gull
Heermann's Gull
Common Gull
Short-billed Gull
Common/Short-billed Gull
Ring-billed Gull
Black-headed x Ring-billed Gull (hybrid)
American Herring Gull
Vega Gull
European Herring Gull
American/European Herring Gull
Great Black-backed Gull
American Herring x Great Black-backed Gull (hybrid)
Glaucous Gull
American Herring x Glaucous Gull (hybrid)
Great Black-backed x Glaucous Gull (hybrid)
Lesser Black-backed Gull
American Herring x Lesser Black-backed Gull (hybrid)
Herring complex/Lesser Black-backed Gull
California Gull
Slaty-backed Gull
Iceland Gull
American Herring/Iceland Gull
white-winged gull sp.
Larus sp.
gull sp.
Black Skimmer
Brown Noddy
Sooty Tern
Bridled Tern
Least Tern
Gull-billed Tern
Caspian Tern
Black Tern
White-winged Tern
Forster's Tern
Arctic Tern
Common Tern
Common x Arctic Tern (hybrid)
Forster's/Common Tern
Common/Arctic Tern
Roseate Tern
Common x Roseate Tern (hybrid)
Sterna sp.
Sandwich Tern
Elegant Tern
Royal Tern
large tern sp.
tern sp.
gull/tern sp.
Flamingos
Chilean Flamingo
American Flamingo
Grebes
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Horned/Eared Grebe
Podiceps sp.
Western Grebe
grebe sp.
Tropicbirds
White-tailed Tropicbird
Red-billed Tropicbird
Loons
Red-throated Loon
Pacific Loon
Arctic/Pacific Loon
Common Loon
Yellow-billed Loon
loon sp.
Albatrosses
Atlantic Yellow-nosed Albatross
Black-browed Albatross
small albatross sp.
albatross sp.
Storm-Petrels
Wilson's Storm-Petrel
White-faced Storm-Petrel
Leach's Storm-Petrel
Band-rumped Storm-Petrel
Hydrobates sp.
storm-petrel sp. (white-rumped)
storm-petrel sp.
Petrels, Shearwaters, and Diving-Petrels
Northern Fulmar
Trindade Petrel
Fea's Petrel
Bermuda Petrel
Black-capped Petrel
Cory's Shearwater
Scopoli's Shearwater
Cory's/Scopoli's Shearwater
Cape Verde Shearwater
Cory's/Scopoli's/Cape Verde Shearwater
Great Shearwater
Cory's/Scopoli's/Great Shearwater
Sooty Shearwater
Short-tailed Shearwater
Sooty/Short-tailed Shearwater
Manx Shearwater
Barolo Shearwater
Sargasso Shearwater
small shearwater sp.
shearwater sp.
procellariid sp.
Storks
Wood Stork
Frigatebirds, Boobies, and Gannets
Magnificent Frigatebird
frigatebird sp.
Northern Gannet
Red-footed Booby
Brown Booby
Masked Booby
sulid sp.
Cormorants and Anhingas
Anhinga
Great Cormorant
Double-crested Cormorant
Great/Double-crested Cormorant
Double-crested/Neotropic Cormorant
cormorant sp.
Herons, Ibis, and Allies
White Ibis
Glossy Ibis
White-faced Ibis
Glossy x White-faced Ibis (hybrid)
Glossy/White-faced Ibis
ibis sp.
Roseate Spoonbill
American Bittern
Least Bittern
small bittern sp.
Yellow-crowned Night Heron
Black-crowned Night Heron
Yellow-crowned/Black-crowned Night Heron
Little Blue Heron
Tricolored Heron
Reddish Egret
Snowy Egret
Tricolored Heron x Snowy Egret (hybrid)
Little Egret
Western Reef-Heron
Green Heron
Western Cattle-Egret
Great Egret
Gray Heron
Great Blue Heron
Ardea sp.
heron sp.
white egret sp.
Pelicans
American White Pelican
Brown Pelican
pelican sp.
Vultures, Hawks, and Allies
Black Vulture
Turkey Vulture
Cathartes sp.
new world vulture sp.
Osprey
White-tailed Kite
Swallow-tailed Kite
Golden Eagle
Sharp-shinned Hawk
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
American Goshawk
Cooper's Hawk/American Goshawk
Accipitrine hawk sp. (former Accipiter sp.)
Northern Harrier
harrier sp.
Bald Eagle
Steller's Sea-Eagle
Golden/Bald Eagle
Mississippi Kite
White-tailed Hawk
Broad-winged Hawk
Red-shouldered Hawk
Broad-winged/Red-shouldered Hawk
Zone-tailed Hawk
Swainson's Hawk
Red-tailed Hawk
Red-shouldered x Red-tailed Hawk (hybrid)
Rough-legged Hawk
Buteo sp.
hawk sp.
eagle sp.
Owls
American Barn Owl
Eastern Screech-Owl
Snowy Owl
Great Horned Owl
Bubo sp.
Northern Hawk Owl
Burrowing Owl
Barred Owl
Great Gray Owl
Long-eared Owl
Short-eared Owl
Long-eared/Short-eared Owl
Asio sp.
Boreal Owl
Northern Saw-whet Owl
owl sp.
Kingfishers
Belted Kingfisher
Woodpeckers
Yellow-bellied Sapsucker
Lewis's Woodpecker
Red-headed Woodpecker
Red-bellied Woodpecker
Melanerpes sp.
American Three-toed Woodpecker
Black-backed Woodpecker
Downy Woodpecker
Hairy Woodpecker
Downy x Hairy Woodpecker (hybrid)
Downy/Hairy Woodpecker
Dryobates sp.
Pileated Woodpecker
Northern Flicker
woodpecker sp.
Falcons and Caracaras
Crested Caracara
Eurasian Kestrel
American Kestrel
Red-footed Falcon
Merlin
Eurasian Hobby
Gyrfalcon
Peregrine Falcon
Prairie Falcon
large falcon sp.
small falcon sp.
falcon sp.
diurnal raptor sp.
Cockatoos
Cockatiel
Sulphur-crested Cockatoo
Parrots, Parakeets, and Allies
Budgerigar
Rosy-faced Lovebird
Monk Parakeet
White-winged Parakeet
Nanday Parakeet
Red-masked Parakeet
parakeet sp.
parrot sp.
Tyrant Flycatchers: Pewees, Kingbirds, and Allies
Olive-sided Flycatcher
Eastern Wood-Pewee
Western/Eastern Wood-Pewee
pewee sp. (Contopus sp.)
Yellow-bellied Flycatcher
Acadian Flycatcher
Alder Flycatcher
Willow Flycatcher
Alder/Willow Flycatcher (Traill's Flycatcher)
Least Flycatcher
Hammond's Flycatcher
Gray Flycatcher
Western Flycatcher
Empidonax sp.
Eastern Phoebe
Say's Phoebe
Vermilion Flycatcher
Ash-throated Flycatcher
Great Crested Flycatcher
Myiarchus sp.
Streaked/Sulphur-bellied Flycatcher
Tropical Kingbird
Couch's Kingbird
Tropical/Couch's Kingbird
Cassin's Kingbird
Western Kingbird
yellow-bellied kingbird sp.
Eastern Kingbird
Gray Kingbird
Scissor-tailed Flycatcher
Fork-tailed Flycatcher
new world flycatcher sp.
Vireos
White-eyed Vireo
Bell's Vireo
Yellow-throated Vireo
Blue-headed Vireo
Cassin's/Blue-headed Vireo
solitary vireo sp.
Philadelphia Vireo
Warbling Vireo
Philadelphia/Warbling Vireo
Red-eyed Vireo
Philadelphia/Red-eyed Vireo
Yellow-green Vireo
Black-whiskered Vireo
vireo sp. (Red-eyed Vireo complex)
vireo sp.
Shrikes
Loggerhead Shrike
Northern Shrike
Loggerhead/Northern Shrike
shrike sp.
Jays, Magpies, Crows, and Ravens
Canada Jay
Blue Jay
Eurasian Jackdaw
American Crow
Fish Crow
American/Fish Crow
crow sp.
Common Raven
raven sp.
crow/raven sp.
corvid sp.
Tits, Chickadees, and Titmice
Black-capped Chickadee
Boreal Chickadee
chickadee sp.
Tufted Titmouse
Great Tit
parid sp.
Larks
Horned Lark
Martins and Swallows
Bank Swallow
Tree Swallow
Violet-green Swallow
Purple Martin
Brown-chested Martin
new world martin sp. (Progne sp.)
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
Cave Swallow
Cliff/Cave Swallow
Petrochelidon sp.
swallow sp.
Bulbuls
Red-whiskered Bulbul
Kinglets
Ruby-crowned Kinglet
Golden-crowned Kinglet
Ruby-crowned/Golden-crowned Kinglet
Nuthatches
White-breasted Nuthatch
Red-breasted Nuthatch
nuthatch sp.
Treecreepers
Brown Creeper
Gnatcatchers
Blue-gray Gnatcatcher
Wrens
Rock Wren
Northern House Wren
Winter Wren
Sedge Wren
Marsh Wren
Sedge/Marsh Wren
Carolina Wren
Bewick's Wren
wren sp.
Starlings and Mynas
European Starling
Catbirds, Mockingbirds, and Thrashers
Gray Catbird
Brown Thrasher
Sage Thrasher
Northern Mockingbird
mimid sp.
Thrushes
Eastern Bluebird
Mountain Bluebird
bluebird sp.
Townsend's Solitaire
Varied Thrush
Veery
Gray-cheeked Thrush
Bicknell's Thrush
Gray-cheeked/Bicknell's Thrush
Swainson's Thrush
Hermit Thrush
Catharus sp.
Wood Thrush
American Robin
Fieldfare
thrush sp.
Old World Flycatchers
Northern Wheatear
Waxwings
Bohemian Waxwing
Cedar Waxwing
Bohemian/Cedar Waxwing
Silky-flycatchers
Phainopepla
Weavers and Allies
Northern Red Bishop
White-winged Widowbird
Estrildids
Zebra Finch
Scaly-breasted Munia
Chestnut Munia
Orange-cheeked Waxbill
Old World Sparrows
House Sparrow
Eurasian Tree Sparrow
Passer sp.
Wagtails and Pipits
American Pipit
Sprague's Pipit
Finches, Euphonias, and Allies
Common Chaffinch
Brambling
Evening Grosbeak
Pine Grosbeak
House Finch
Purple Finch
House/Purple Finch
Haemorhous sp.
Yellow-fronted Canary
Redpoll
Red Crossbill
White-winged Crossbill
crossbill sp.
European Goldfinch
Gray-crowned Goldfinch
Island Canary
Pine Siskin
American Goldfinch
new world goldfinch sp.
Spinus sp.
Acanthis/Spinus sp.
finch sp.
Longspurs and Snow Buntings
Lapland Longspur
Chestnut-collared Longspur
Smith's Longspur
Thick-billed Longspur
longspur sp.
Snow Bunting
New World Sparrows
Cassin's Sparrow
Grasshopper Sparrow
Chipping Sparrow
Clay-colored Sparrow
Field Sparrow
Brewer's Sparrow
Spizella sp.
Black-throated Sparrow
Lark Sparrow
Lark Bunting
American Tree Sparrow
Spizella sp./American Tree Sparrow
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
Harris's Sparrow
White-throated Sparrow
Zonotrichia sp.
Vesper Sparrow
LeConte's Sparrow
Seaside Sparrow
Nelson's Sparrow
Saltmarsh Sparrow
Nelson's x Saltmarsh Sparrow (hybrid)
Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow)
Ammospiza sp.
Savannah Sparrow
Henslow's Sparrow
Song Sparrow
Lincoln's Sparrow
Song x Lincoln's Sparrow (hybrid)
Swamp Sparrow
Lincoln's/Swamp Sparrow
Green-tailed Towhee
Spotted Towhee
Eastern Towhee
Spotted x Eastern Towhee (hybrid)
Spotted/Eastern Towhee (Rufous-sided Towhee)
towhee sp.
new world sparrow sp.
Yellow-breasted Chat
Yellow-breasted Chat
Blackbirds
Yellow-headed Blackbird
Bobolink
Western Meadowlark
Eastern Meadowlark
Western/Eastern Meadowlark
Orchard Oriole
Orchard/Hooded Oriole
Bullock's Oriole
Baltimore Oriole
Bullock's/Baltimore Oriole
Black-backed Oriole
new world oriole sp.
Red-winged Blackbird
Shiny Cowbird
Brown-headed Cowbird
Rusty Blackbird
Brewer's Blackbird
Common Grackle
Great-tailed Grackle
Boat-tailed/Great-tailed Grackle
grackle sp.
blackbird sp.
Wood-Warblers
Ovenbird
Worm-eating Warbler
Chipping Sparrow/Worm-eating Warbler
Louisiana Waterthrush
Northern Waterthrush
Louisiana/Northern Waterthrush
Golden-winged Warbler
Blue-winged Warbler
Golden-winged x Blue-winged Warbler (hybrid)
Brewster's Warbler (hybrid)
Lawrence's Warbler (hybrid)
Golden-winged/Blue-winged Warbler
Black-and-white Warbler
Prothonotary Warbler
Swainson's Warbler
Tennessee Warbler
Orange-crowned Warbler
Lucy's Warbler
Nashville Warbler
Virginia's Warbler
Leiothlypis sp.
Connecticut Warbler
MacGillivray's Warbler
Mourning Warbler
Connecticut/MacGillivray's/Mourning Warbler
MacGillivray's/Mourning Warbler
Kentucky Warbler
Common Yellowthroat
Mourning Warbler x Common Yellowthroat (hybrid)
Hooded Warbler
American Redstart
Kirtland's Warbler
Cape May Warbler
Cerulean Warbler
Northern Parula
Magnolia Warbler
Bay-breasted Warbler
Blackburnian Warbler
Yellow Warbler
Chestnut-sided Warbler
Blackpoll Warbler
Bay-breasted x Blackpoll Warbler (hybrid)
Bay-breasted/Blackpoll Warbler
Black-throated Blue Warbler
Palm Warbler
Pine Warbler
Yellow-rumped Warbler
Magnolia x Yellow-rumped Warbler (hybrid)
Yellow-throated Warbler
Prairie Warbler
Blue-winged x Prairie Warbler (hybrid)
Black-throated Gray Warbler
Townsend's Warbler
Hermit Warbler
Black-throated Green Warbler
Setophaga sp.
Canada Warbler
Wilson's Warbler
Painted Redstart
new world warbler sp.
sparrow/warbler sp. (trilling song)
Cardinals, Grosbeaks, and Allies
Summer Tanager
Scarlet Tanager
Summer/Scarlet Tanager
Western Tanager
tanager sp. (Piranga sp.)
Northern Cardinal
Rose-breasted Grosbeak
Black-headed Grosbeak
Rose-breasted/Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting
Indigo Bunting
Lazuli/Indigo Bunting
Painted Bunting
Passerina sp.
Dickcissel
Tanagers and Allies
Saffron Finch
Others
passerine sp.
bird sp.