A
- Abert’s Towhee
- Acadian Flycatcher
- Acorn Woodpecker
- African Silverbill
- Akiapolaau
- Alder Flycatcher
- Aleutian Tern
- Allen’s Hummingbird
- Altamira Oriole
- American (Black) Scoter
- American (formerly Northern) Goshawk
- American Avocet
- American Bittern
- American Black Duck
- American Coot
- American Crow
- American Dipper
- American Flamingo
- American Golden-Plover
- American Goldfinch
- American Kestrel
- American Oystercatcher
- American Pipit
- American Redstart
- American Robin
- American Three-toed Woodpecker
- American Tree Sparrow
- American White Pelican
- American Wigeon
- American Woodcock
- Ancient Murrelet
- Anhinga
- Anna’s Hummingbird
- Antillean Nighthawk
- Apapane
- Aplomado Falcon
- Arctic Loon
- Arctic Tern
- Arctic Warbler
- Arizona Woodpecker
- Ash-throated Flycatcher
- Ashy Storm-Petrel
- Atlantic Puffin
- Audubon’s Oriole
- Audubon’s Shearwater
B
- Bachman’s Sparrow
- Bahama Mockingbird
- Baikal Teal
- Baird’s Sandpiper
- Baird’s Sparrow
- Bald Eagle
- Baltimore Oriole
- Bananaquit
- Band-rumped Storm-Petrel
- Band-tailed Pigeon
- Bank Swallow
- Bar-tailed Godwit
- Barnacle Goose
- Barn Owl
- Barn Swallow
- Barred Owl
- Barrow’s Goldeneye
- Bay-breasted Warbler
- Bell’s Sparrow
- Bell’s Vireo
- Belted Kingfisher
- Bendire’s Thrasher
- Bewick’s Wren
- Bicknell’s Thrush
- Black-backed Woodpecker
- Black-bellied Plover
- Black-bellied Whistling Duck
- Black-billed Cuckoo
- Black-billed Magpie
- Black-capped Chickadee
- Black-capped Gnatcatcher
- Black-capped Vireo
- Black-chinned Hummingbird
- Black-chinned Sparrow
- Black-crested Titmouse
- Black-crowned Night-Heron
- Black-faced Grassquit
- Black-footed Albatross
- Black-headed Grosbeak
- Black-headed Gull
- Black-legged Kittiwake
- Black-necked Stilt
- Black-tailed Gnatcatcher
- Black-throated Blue Warbler
- Black-throated Gray Warbler
- Black-throated Green Warbler
- Black-throated Magpie-Jay
- Black-throated Sparrow
- Black-vented Shearwater
- Black-whiskered Vireo
- Black and White Warbler
- Blackburnian Warbler
- Black Guillemot
- Black Noddy
- Black Oystercatcher
- Black Phoebe
- Blackpoll Warbler
- Black Rail
- Black Rosy-Finch
- Black Skimmer
- Black Storm-Petrel
- Black Swan
- Black Swift
- Black Tern
- Black Turnstone
- Black Vulture
- Blue-crowned Parakeet
- Blue-gray Gnatcatcher
- Blue-headed Vireo
- Blue-throated Mountain-gem
- Blue-winged Teal
- Blue-winged Warbler
- Blue Bunting
- Blue Grosbeak
- Blue Jay
- Bluethroat
- Boat-tailed Grackle
- Bobolink
- Bohemian Waxwing
- Bonaparte’s Gull
- Boreal Chickadee
- Boreal Owl
- Botteri’s Sparrow
- Brandt’s Cormorant
- Brant
- Brewer’s Blackbird
- Brewer’s Sparrow
- Brewster’s Warbler
- Bridled Tern
- Bridled Titmouse
- Bristle-thighed Curlew
- Broad-billed Hummingbird
- Broad-tailed-Hummingbird
- Broad-winged-Hawk
- Bronzed Cowbird
- Brown-capped Rosy-Finch
- Brown-crested Flycatcher
- Brown-headed Cowbird
- Brown-headed Nuthatch
- Brown Booby
- Brown Creeper
- Brown Jay
- Brown Noddy
- Brown Pelican
- Brown Thrasher
- Buff-bellied Hummingbird
- Buff-breasted Flycatcher
- Buff-breasted Sandpiper
- Bufflehead
- Buller’s Shearwater
- Bullock’s Oriole
- Burrowing Owl
- Bushtit
C
- Cackling Goose
- Cactus Wren
- California Gnatcatcher
- California Gull
- California Quail
- California Scrub-Jay
- California Thrasher
- California Towhee
- Calliope Hummingbird
- Canada Goose
- Canada Jay
- Canada Warbler
- Canvasback
- Canyon Towhee
- Canyon Wren
- Cape May Warbler
- Carolina Chickadee
- Carolina Wren
- Caspian Tern
- Cassia Crossbill
- Cassin’s Auklet
- Cassin’s Finch
- Cassin’s Kingbird
- Cassin’s Sparrow
- Cassin’s Vireo
- Cattle Egret
- Cave Swallow
- Cedar Waxwing
- Cerulean Warbler
- Chestnut-backed Chickadee
- Chestnut-bellied Sandgrouse
- Chestnut-collared Longspur
- Chestnut-fronted Macaw
- Chestnut-sided Warbler
- Chestnut Munia
- Chihuahuan Meadowlark
- Chihuahuan Raven
- Chimney Swift
- Chipping Sparrow
- Chuck-will’s-widow
- Chukar
- Cinnamon Teal
- Cinnamon X Blue-winged Teal Hybrid
- Clapper Rail
- Clark’s Grebe
- Clark’s Nutcracker
- Clay-colored Sparrow
- Clay-colored Thrush
- Cliff Swallow
- Colima Warbler
- Common Black Hawk
- Common Chaffinch
- Common Cuckoo
- Common Eider
- Common Gallinule (Moorhen)
- Common Goldeneye
- Common Grackle
- Common Ground Dove
- Common Loon
- Common Merganser
- Common Murre
- Common Myna
- Common Nighthawk
- Common Pauraque
- Common Poorwill
- Common Raven
- Common Redpoll
- Common Ringed Plover
- Common Shelduck
- Common Tern
- Common Waxbill
- Common Yellowthroat
- Connecticut Warbler
- Cooper’s Hawk
- Cordilleran Flycatcher
- Cory’s Shearwater
- Costa’s Hummingbird
- Couch’s Kingbird
- Craveri’s Murrulet
- Crescent-Chested Warbler
- Crested Auklet
- Crested Caracara
- Crimson-collared Grosbeak
- Crissal Thrasher
- Curlew Sandpiper
- Curve-billed Thrasher
D
E
- Eared Grebe
- Eastern Bluebird
- Eastern Kingbird
- Eastern Meadowlark
- Eastern Phoebe
- Eastern Screech-Owl
- Eastern Towhee
- Eastern Whip-poor-will
- Eastern Wood-Pewee
- Eastern Yellow Wagtail
- Egyptian Goose
- Elegant Tern
- Elegant Trogon
- Elf Owl
- Emperor Goose
- Erckel’s Francolin
- Eurasian Collared-Dove
- Eurasian Jackdaw
- Eurasian Skylark
- Eurasian Tree Sparrow
- Eurasian Wigeon
- European Starling
- Evening Grosbeak
F
- Falcated Duck
- Ferruginous-Hawk
- Ferruginous Pygmy-Owl
- Fieldfare
- Field Sparrow
- Fish Crow
- Five-striped Sparrow
- Flame-colored Tanager
- Flammulated Owl
- Flesh-footed Shearwater
- Florida Scrub-Jay
- Fork-tailed Flycatcher
- Fork-tailed Storm-Petrel
- Forster’s Tern
- Fox Sparrow (red)
- Fox Sparrow (slate-colored)
- Fox Sparrow (sooty)
- Fox Sparrow (thick-billed)
- Franklin’s Gull
- Fulvous Whistling Duck
G
- Gadwall
- Gambel’s Quail
- Gila Woodpecker
- Gilded Flicker
- Glaucous-winged Gull
- Glaucous-winged X Western Gull Hybrid
- Glaucous Gull
- Glossy Ibis
- Golden-cheeked Warbler
- Golden-crowned Kinglet
- Golden-crowned Sparrow
- Golden-crowned Warbler
- Golden-fronted Woodpecker
- Golden-winged Warbler
- Golden Eagle
- Grace’s Warbler
- Grasshopper Sparrow
- Gray-cheeked Thrush
- Gray-crowned Rosy-Finch
- Gray-crowned Rosy-Finch (Bering Sea)
- Gray-crowned Rosy-Finch (Hepburn’s)
- Gray-crowned Yellowthroat
- Gray-headed (Purple) Swamphen
- Gray Catbird
- Gray Flycatcher
- Gray Francolin
- Gray Hawk
- Gray Kingbird
- Gray Partridge
- Gray Vireo
- Great-tailed Grackle
- Great Black-backed Gull
- Great Blue-Heron
- Great Blue-Heron – white morph
- Great Cormorant
- Great Crested Flycatcher
- Great Egret
- Greater Pewee
- Greater Prairie Chicken
- Greater Roadrunner
- Greater Sage-Grouse
- Greater Scaup
- Greater White-fronted Goose
- Greater Yellowlegs
- Great Frigatebird
- Great Gray Owl
- Great Horned Owl
- Great Kiskadee
- Great Shearwater
- Green-tailed Towhee
- Green-winged Teal
- Green Heron
- Green Jay
- Green Kingfisher
- Green Parakeet
- Green Violetear
- Groove-billed Ani
- Gull-billed Tern
- Gunnison Sage-Grouse
- Gyrfalcon
H
- Hairy Woodpecker
- Hammond’s Flycatcher
- Harlequin Duck
- Harris’s Hawk
- Harris’s Sparrow
- Hawaii Akepa
- Hawaii Amakihi
- Hawaiian Coot
- Hawaiian Duck
- Hawaiian Goose (Nene)
- Hawaiian Hawk
- Hawaii Creeper
- Hawaii Elepaio
- Heermann’s Gull
- Helmeted Guineafowl
- Henslow’s Sparrow
- Hepatic Tanager
- Hermit Thrush
- Hermit Warbler
- Herring Gull
- Hill Myna
- Hoary Redpoll
- Hooded Merganser
- Hooded Oriole
- Hooded Warbler
- Hook-billed Kite
- Horned Grebe
- Horned Lark
- Horned Puffin
- House Finch
- House Sparrow
- House Wren
- Hudsonian Godwit
- Hutton’s Vireo
L
- Ladder-backed Woodpecker
- Lapland Longspur
- Lark Bunting
- Lark Sparrow
- La Sagra’s Flycatcher
- Laughing Gull
- Lawrence’s Goldfinch
- Lawrence’s Warbler
- Laysan Albatross
- Lazuli Bunting
- Leach’s Storm-Petrel
- Leach’s Storm-Petrel (Chapman’s)
- Least Auklet
- Least Bittern
- Least Flycatcher
- Least Grebe
- Least Sandpiper
- Least Storm-Petrel
- Least Tern
- LeConte’s Sparrow
- LeConte’s Thrasher
- Lesser Black-backed Gull
- Lesser Canada Goose
- Lesser Goldfinch
- Lesser Nighthawk
- Lesser Prairie Chicken
- Lesser Scaup
- Lesser Yellowlegs
- Lewis’s Woodpecker
- Limpkin
- Lincoln’s Sparrow
- Little Blue-Heron
- Little Blue X Tricolored-Heron Hybrid
- Little Egret
- Little Gull
- Little Stint
- Loggerhead Kingbird
- Loggerhead Shrike
- Long-billed Curlew
- Long-billed Dowitcher
- Long-billed Thrasher
- Long-eared Owl
- Long-tailed Duck
- Long-tailed Jaeger
- Louisiana Waterthrush
- Lucifer Hummingbird
- Lucy’s Warbler
M
- MacGillivray’s Warbler
- Magnificent Frigatebird
- Magnolia Warbler
- Mallard
- Mandarin Duck
- Mangrove Cuckoo
- Manx Shearwater
- Marbled Godwit
- Marbled Murrelet
- Marsh Wren
- Masked Booby
- Masked Duck
- Merlin
- Mexican (Mallard) Duck
- Mexican Chickadee
- Mexican Jay
- Mississippi Kite
- Mitred Parakeet
- Monk Parakeet
- Montezuma Quail
- Morelet’s Seedeater
- Mottled Duck
- Mountain Bluebird
- Mountain Chickadee
- Mountain Plover
- Mountain Quail
- Mourning Dove
- Mourning Warbler
- Muscovy Duck (domestic)
- Mute Swan
N
- Nanday Parakeet
- Nashville Warbler
- Nelson’s Sparrow
- Neotropic Cormorant
- Northern Beardless-Tyrannulet
- Northern Bobwhite
- Northern Cardinal
- Northern Flicker – red shafted
- Northern Flicker – yellow shafted
- Northern Fulmar
- Northern Gannet
- Northern Harrier
- Northern Hawk-Owl
- Northern Jacana
- Northern Lapwing
- Northern Mockingbird
- Northern Parula
- Northern Pintail
- Northern Pygmy-Owl
- Northern Rough-winged Swallow
- Northern Saw-whet Owl
- Northern Shoveler
- Northern Shrike
- Northern Waterthrush
- Northern Wheatear
- Northwestern Crow
- Nuttall’s Woodpecker
- Nutting’s Flycatcher
O
P
- Pacific-slope Flycatcher
- Pacific Golden-Plover
- Pacific Loon
- Pacific Wren
- Painted Bunting
- Painted Redstart
- Palila
- Palm Warbler
- Parakeet Auklet
- Parasitic Jaeger
- Pectoral Sandpiper
- Pelagic Cormorant
- Peregrine Falcon
- Phainopepla
- Philadelphia Vireo
- Pied-billed Grebe
- Pigeon Guillemot
- Pileated Woodpecker
- Pine Grosbeak
- Pine Siskin
- Pine Warbler
- Pink-footed Goose
- Pink-footed Shearwater
- Pinyon Jay
- Piping Plover
- Plain Chachalaca
- Plumbeous Vireo
- Pomarine Jaeger
- Prairie Falcon
- Prairie Warbler
- Prothonotary Warbler
- Purple Finch
- Purple Gallinule
- Purple Martin
- Purple Sandpiper
- Pygmy Nuthatch
- Pyrrhuloxia
R
- Razorbill
- Red-bellied Woodpecker
- Red-billed Tropicbird
- Red-breasted Merganser
- Red-breasted Nuthatch
- Red-breasted Sapsucker
- Red-cockaded Woodpecker
- Red-crested Cardinal
- Red-crowned Parrot
- Red-eyed Vireo
- Red-faced Cormorant
- Red-faced Warbler
- Red-footed Booby
- Red-headed Woodpecker
- Red-legged Kittiwake
- Red-masked Parakeet
- Red-naped Sapsucker
- Red-necked Grebe
- Red-necked Phalarope
- Red-necked Stint
- Red-shouldered Hawk
- Red-tailed Hawk
- Red-tailed Tropicbird
- Red-throated Loon
- Red-vented Bulbul
- Red-whiskered Bulbul
- Red-winged Blackbird
- Red Crossbill
- Reddish Egret – dark morph
- Reddish Egret – white morph
- Redhead
- Red Junglefowl
- Red Knot
- Red Phalarope
- Rhinoceros Auklet
- Ridgway’s Rail
- Ring-billed Gull
- Ring-necked Duck
- Ring-necked Pheasant
- Ringed Kingfisher
- Rivoli’s Hummingbird
- Rock Pigeon
- Rock Ptarmigan
- Rock Sandpiper
- Rock Wren
- Rose-breasted Grosbeak
- Rose-ringed Parakeet
- Rose-throated Becard
- Roseate Spoonbill
- Roseate Tern
- Ross’s Goose
- Ross’s Gull
- Rosy-faced Lovebird
- Rough-legged-Hawk
- Royal Tern
- Ruby-crowned Kinglet
- Ruby-throated Hummingbird
- Ruddy Duck
- Ruddy Ground Dove
- Ruddy Turnstone
- Ruff
- Ruffed Grouse
- Rufous-backed Robin
- Rufous-capped Warbler
- Rufous-crowned Sparrow
- Rufous-Hummingbird
- Rufous-winged Sparrow
- Rusty Blackbird
S
- Sabine’s Gull
- Saffron Finch
- Sagebrush Sparrow
- Sage Thrasher
- Saltmarsh Sparrow
- Sanderling
- Sandhill Crane
- Sandhill Crane (Florida)
- Sandwich Tern
- Savannah Sparrow
- Savannah Sparrow (Belding’s)
- Savannah Sparrow (Ipswich)
- Say’s Phoebe
- Scaled Quail
- Scaly-breasted Munia
- Scarlet Tanager
- Scissor-tailed Flycatcher
- Scott’s Oriole
- Seaside Sparrow
- Sedge Wren
- Semipalmated Plover
- Semipalmated Sandpiper
- Sharp-shinned-Hawk
- Sharp-tailed Grouse
- Sharp-tailed Sandpiper
- Shiny Cowbird
- Short-billed Dowitcher
- Short-billed Gull (formerly Mew Gull)
- Short-eared Owl
- Short-tailed-Hawk
- Slate-throated Redstart
- Slaty-backed Gull
- Smew
- Smooth-billed Ani
- Snail Kite
- Snow Bunting
- Snow Goose
- Snowy Egret
- Snowy Owl
- Snowy Plover
- Solitary Sandpiper
- Song Sparrow
- Sooty Grouse
- Sooty Shearwater
- Sooty Tern
- Sora
- South Polar Skua
- Spectacled Eider
- Spot-breasted Oriole
- Spotted Dove
- Spotted Owl
- Spotted Sandpiper
- Spotted Towhee
- Sprague’s Pipit
- Spruce Grouse
- Steller’s Eider
- Steller’s Jay
- Stilt Sandpiper
- Streak-backed Oriole
- Striped Sparrow
- Sulphur-bellied Flycatcher
- Summer Tanager
- Surfbird
- Surf Scoter
- Swainson’s Hawk
- Swainson’s Thrush
- Swainson’s Warbler
- Swallow-tailed Gull
- Swallow-tailed Kite
- Swamp Sparrow
T
- Tennessee Warbler
- Thayer’s Gull
- Thick-billed (formerly McCown’s) Longspur
- Thick-billed Kingbird
- Thick-billed Murre
- Thick-billed Vireo
- Townsend’s Solitaire
- Townsend’s Storm-Petrel
- Townsend’s Warbler
- Tree Swallow
- Tricolored-Heron
- Tricolored Blackbird
- Tricolored Munia
- Tropical Kingbird
- Tropical Mockingbird
- Tropical Parula
- Trumpeter Swan
- Tufted Duck
- Tufted Flycatcher
- Tufted Puffin
- Tufted Titmouse
- Tundra Swan
- Turkey Vulture
V
W
- Wandering Tattler
- Warbling Vireo
- Warbling White-eye
- Wedge-rumped Storm-Petrel
- Western Bluebird
- Western Grebe
- Western Gull
- Western Kingbird
- Western Meadowlark
- Western Sandpiper
- Western Screech-Owl
- Western Spindalis
- Western Tanager
- Western Wood-Pewee
- Whimbrel
- Whiskered Screech-Owl
- Whiskered Tern
- White-breasted Nuthatch
- White-cheeked Pintail
- White-crowned Pigeon
- White-crowned Sparrow
- White-eared-Hummingbird
- White-eyed Vireo
- White-faced Ibis
- White-faced Whistling Duck
- White-headed Woodpecker
- White-rumped Sandpiper
- White-rumped Shama
- White-tailed Eagle
- White-tailed Hawk
- White-tailed Kite
- White-tailed Ptarmigan
- White-tailed Tropicbird
- White-throated Sparrow
- White-throated Swift
- White-throated Thrush
- White-tipped Dove
- White-winged Crossbill
- White-winged Dove
- White-winged Parakeet
- White-winged Scoter
- White Ibis
- White Tern
- White Wagtail
- Whooper Swan
- Whooping Crane
- Wild Turkey
- Willet
- Williamson’s Sapsucker
- Willow Flycatcher
- Willow Ptarmigan
- Wilson’s Phalarope
- Wilson’s Plover
- Wilson’s Snipe
- Wilson’s Storm-Petrel
- Wilson’s Warbler
- Winter Wren
- Wood Duck
- Woodhouse’s Scrub-Jay
- Wood Sandpiper
- Wood Stork
- Wood Thrush
- Worm-eating Warbler
- Wrentit
- Würdemann’s Heron
Y
- Yellow-bellied Flycatcher
- Yellow-bellied Sapsucker
- Yellow-billed Cardinal
- Yellow-billed Cuckoo
- Yellow-billed Loon
- Yellow-billed Magpie
- Yellow-breasted Chat
- Yellow-chevroned Parakeet
- Yellow-crowned Night-Heron
- Yellow-eyed Junco
- Yellow-footed Gull
- Yellow-fronted Canary
- Yellow-headed Blackbird
- Yellow-rumped Warbler (Audubon’s)
- Yellow-rumped Warbler (Myrtle)
- Yellow-throated Vireo
- Yellow-throated Warbler
- Yellow Grosbeak
- Yellow Rail
- Yellow Warbler