species
101.
species
102.
species
105.
species
106.
species
107.
species
109.
species
113.
species
119.
species
135.
species
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species
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species
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species
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Western x Glaucous-winged Gull (hybrid)
Herring x Glaucous-winged Gull (hybrid)
Eurasian x American Wigeon (hybrid)
Mallard x Northern Pintail (hybrid)
Mute x Trumpeter Swan (hybrid)
White-crowned x Golden-crowned Sparrow (hybrid)
Domestic goose sp. x Canada Goose (hybrid)
American Wigeon x Mallard (hybrid)
Muscovy Duck x Mallard (hybrid)
Tufted Duck x Lesser Scaup (hybrid)
Common x Barrow's Goldeneye (hybrid)
Greater White-fronted x Cackling Goose (hybrid)
Tufted Duck x Greater Scaup (hybrid)
Tufted Duck x scaup sp. (hybrid)
Ring-necked Duck x scaup sp. (hybrid)
Dark-eyed Junco x White-throated Sparrow (hybrid)
Glaucous x Glaucous-winged Gull (hybrid)
Mallard x American Black Duck (hybrid)
Ring-necked Duck x Lesser Scaup (hybrid)
Gadwall x American Wigeon (hybrid)
Herring x Glaucous Gull (hybrid)
Western x Clark's Grebe (hybrid)
Steller's Jay x California Scrub-Jay (hybrid)
Golden-crowned x White-throated Sparrow (hybrid)
Red-naped x Red-breasted Sapsucker (hybrid)
Rose-breasted x Black-headed Grosbeak (hybrid)
Yellow-bellied x Red-breasted Sapsucker (hybrid)
Yellow-bellied x Red-naped Sapsucker (hybrid)
Oriental Turtle-Dove x Eurasian Collared-Dove (hybrid)
Gadwall x Mallard (hybrid)
Cinnamon Teal x Northern Shoveler (hybrid)
Blue-winged x Cinnamon Teal (hybrid)
Calliope x Rufous Hummingbird (hybrid)
American Wigeon x Green-winged Teal (hybrid)
Snow x Ross's Goose (hybrid)
Surf x White-winged Scoter (hybrid)
Anna's x Rufous Hummingbird (hybrid)
Common Goldeneye x Hooded Merganser (hybrid)
Canvasback x Ring-necked Duck (hybrid)
Lazuli x Indigo Bunting (hybrid)
Black-throated Gray x Townsend's Warbler (hybrid)
Townsend's x Hermit Warbler (hybrid)
MacGillivray's x Mourning Warbler (hybrid)
Northern Pintail x Green-winged Teal (hybrid)
Blue-winged Teal x Northern Shoveler (hybrid)
Red-tailed x Rough-legged Hawk (hybrid)
Black-capped x Mountain Chickadee (hybrid)
Bufflehead x Common Goldeneye (hybrid)
Swan Goose x Canada Goose (hybrid)
Barrow's Goldeneye x Hooded Merganser (hybrid)
Western x Eastern Kingbird (hybrid)
Bullock's x Baltimore Oriole (hybrid)
American Wigeon x Northern Pintail (hybrid)
Ring-necked Duck x Greater Scaup (hybrid)
Steller's x Blue Jay (hybrid)
Gadwall x Northern Pintail (hybrid)
Graylag x Swan Goose (hybrid)
Black-chinned x Anna's Hummingbird (hybrid)
Graylag x Canada Goose (hybrid)
Ring-necked x Green Pheasant (hybrid)
Bufflehead x goldeneye sp. (hybrid)
Pine Siskin x American Goldfinch (hybrid)
Blue-winged x Green-winged Teal (hybrid)
Northern Shoveler x Mallard (hybrid)
Redhead x scaup sp. (hybrid)
goldeneye sp. x Hooded Merganser (hybrid)
Greater White-fronted x Canada Goose (hybrid)
Townsend's x Black-throated Green Warbler (hybrid)
Black-chinned x Rufous Hummingbird (hybrid)
Glaucous-winged x Slaty-backed Gull (hybrid)
Canvasback x scaup sp. (hybrid)
Violet-green x Cliff Swallow (hybrid)
Wood x Mandarin Duck (hybrid)
Tree/Violet-green Swallow
Common/Barrow's Goldeneye
Ruby-crowned/Golden-crowned Kinglet
new world warbler sp.
Trumpeter/Tundra Swan
Sharp-shinned/Cooper's Hawk
shorebird sp.
Western/Glaucous-winged Gull
Surf/Black Scoter
Common/Red-breasted Merganser
Cackling/Canada Goose
Domestic goose sp. (Domestic type)
Herring/Iceland Gull
Common/Hoary Redpoll
sapsucker sp.
merganser sp.
Short-billed/Long-billed Dowitcher
diurnal raptor sp.
Parasitic/Pomarine Jaeger
Black-capped/Mountain Chickadee
Branta sp.
Varied Thrush/American Robin
Yellow-bellied/Red-naped Sapsucker
Acanthis/Spinus sp.
Eurasian/American Wigeon
Bohemian/Cedar Waxwing
small falcon sp.
Common/Yellow-billed Loon
white-winged gull sp.
Lesser/Greater Yellowlegs
Sooty/Short-tailed Shearwater
procellariid sp.
Western/Semipalmated Sandpiper
Cliff/Cave Swallow
Red/Red-necked Phalarope
new world flycatcher sp.
yellow-bellied kingbird sp.
American/Pacific Golden-Plover (Lesser Golden-Plover)
Tyrannus sp.
Calidris sp.
Setophaga sp.
Herring/Glaucous-winged Gull
Black-bellied Plover/golden-plover sp.
Thick-billed/Common Murre
Blue-winged/Cinnamon Teal
longspur sp.
Spizella sp.
American Three-toed/Black-backed Woodpecker
Empidonax sp.
Pheucticus sp.
ptarmigan sp.
Pallas's/Reed Bunting
Long-tailed/Parasitic Jaeger
Black-throated Gray/Townsend's Warbler
large shorebird sp.
Common/Arctic Tern
phalarope sp.
Hammond's/Dusky Flycatcher
Rusty/Brewer's Blackbird
Alder/Willow Flycatcher (Traill's Flycatcher)
Cooper's Hawk/American Goshawk
Selasphorus sp.
Rose-breasted/Black-headed Grosbeak
Cassin's/Blue-headed Vireo
Streptopelia sp.
albatross sp.
Red-naped/Red-breasted Sapsucker
MacGillivray's/Mourning Warbler
Long-eared/Short-eared Owl
Forster's/Common Tern
Scolopacidae sp.
pheasant sp.
Pacific/Winter Wren
Ring-necked/Green Pheasant
pewee sp. (Contopus sp.)
Ruffed/Spruce Grouse
white egret sp.
rail/crake sp.
small swift sp.
mimid sp.
Townsend's/Hermit Warbler
tanager sp. (Piranga sp.)
Snow/Ross's Goose
Loggerhead/Northern Shrike
Eurasian/African Collared-Dove
Tree/Olive-backed Pipit
large alcid sp.
golden-plover sp.
Lazuli/Indigo Bunting
Bullock's/Baltimore Oriole
Mallard/Mexican Duck
Herring/Lesser Black-backed Gull
White-crowned/White-throated Sparrow
Myiarchus sp.
large rail sp.
Spotted/Eastern Towhee (Rufous-sided Towhee)
solitary vireo sp.
nighthawk sp.
Scripps's/Guadalupe Murrelet (Xantus's Murrelet)
new world goldfinch sp.
Arctic/Pacific Loon
Western/Eastern Meadowlark
Velvet/White-winged/Stejneger's Scoter
Dryobates sp.
Lincoln's/Swamp Sparrow
new world vulture sp.
eider sp.
Purple/Rock Sandpiper
Spizella sp./American Tree Sparrow
black-and-white shearwater sp.
Sharp-tailed/Pectoral Sandpiper
Rufous/Allen's Hummingbird
Ruby-throated/Black-chinned Hummingbird
Tachycineta sp.
Buteo/eagle sp.
Passerina sp.
Hydrobates sp.
Haemorhous sp.
Taiga/Tundra Bean-Goose
Snow/McKay's Bunting
large albatross sp.