species
32.
species
94.
species
100.
species
102.
species
103.
species
105.
species
106.
species
108.
species
109.
species
110.
species
111.
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species
518.
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519.
species
520.
species
521.
species
522.
species
523.
species
524.
species
525.
species
526.
species
527.
species
528.
species
529.
species
530.
species
531.
species
532.
species
533.
species
534.
species
535.
species
536.
species
537.
species
538.
species
539.
species
540.
species
541.
species
542.
species
543.
species
544.
species
545.
species
546.
species
547.
species
548.
species
549.
species
550.
species
551.
species
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species
553.
species
554.
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555.
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556.
species
557.
species
558.
species
559.
species
560.
species
561.
species
562.
species
567.
Herring x Glaucous-winged Gull (hybrid)
Eurasian x American Wigeon (hybrid)
Common x Barrow's Goldeneye (hybrid)
Herring x Glaucous Gull (hybrid)
Glaucous x Glaucous-winged Gull (hybrid)
Western x Glaucous-winged Gull (hybrid)
Herring x Slaty-backed Gull (hybrid)
Glaucous-winged x Slaty-backed Gull (hybrid)
Yellow-bellied x Red-breasted Sapsucker (hybrid)
Tufted Duck x scaup sp. (hybrid)
White-crowned x Golden-crowned Sparrow (hybrid)
Snow x Greater White-fronted Goose (hybrid)
Mallard x Northern Pintail (hybrid)
American Wigeon x Mallard (hybrid)
Snow x Cackling Goose (hybrid)
Blue-winged Teal x Northern Shoveler (hybrid)
Glaucous x Slaty-backed Gull (hybrid)
Laysan x Black-footed Albatross (hybrid)
Northern Pintail x Green-winged Teal (hybrid)
Gadwall x Mallard (hybrid)
Cinnamon Teal x Northern Shoveler (hybrid)
Greater White-fronted x Cackling Goose (hybrid)
Ring-necked Duck x Greater Scaup (hybrid)
Blue-winged x Cinnamon Teal (hybrid)
Ring-necked Duck x scaup sp. (hybrid)
Anna's x Rufous Hummingbird (hybrid)
Spectacled x King Eider (hybrid)
Tufted Duck x Greater Scaup (hybrid)
Snow x McKay's Bunting (hybrid)
Graylag x Swan Goose (hybrid)
Redhead x Ring-necked Duck (hybrid)
Dark-eyed Junco x White-throated Sparrow (hybrid)
Common x Hoary Redpoll (hybrid)
Snow x Canada Goose (hybrid)
goldeneye sp. x Hooded Merganser (hybrid)
Common Goldeneye x Hooded Merganser (hybrid)
Gadwall x Northern Pintail (hybrid)
Thick-billed x Common Murre (hybrid)
Blue-winged x Green-winged Teal (hybrid)
Greater White-fronted x Canada Goose (hybrid)
Townsend's x Hermit Warbler (hybrid)
Mallard x American Black Duck (hybrid)
Common/Barrow's Goldeneye
Common/Red-breasted Merganser
Herring/Glaucous-winged Gull
Common/Yellow-billed Loon
Downy/Hairy Woodpecker
shorebird sp.
Ruby-crowned/Golden-crowned Kinglet
auklet sp.
King/Common Eider
new world sparrow sp.
ptarmigan sp.
Thick-billed/Common Murre
diurnal raptor sp.
blackbird sp.
American Three-toed/Black-backed Woodpecker
Sooty/Short-tailed Shearwater
Zonotrichia sp.
hummingbird sp.
Short-billed/Long-billed Dowitcher
Lesser/Greater Yellowlegs
Domestic goose sp. (Domestic type)
Sharp-tailed/Pectoral Sandpiper
albatross sp.
procellariid sp.
Black-legged/Red-legged Kittiwake
new world warbler sp.
Rose-breasted/Black-headed Grosbeak
Common/Wilson's Snipe
Calidris sp.
White-winged/Stejneger's Scoter
Gray-tailed/Wandering Tattler
phalarope sp.
Hen/Northern Harrier
American/Pacific Golden-Plover (Lesser Golden-Plover)
pigeon/dove sp.
Parasitic/Pomarine Jaeger
shearwater sp.
golden-plover sp.
Western/Semipalmated Sandpiper
Phylloscopus sp.
Herring/Iceland Gull
Setophaga sp.
Tree/Violet-green Swallow
waterfowl sp.
Common/Arctic Tern
Black-bellied Plover/golden-plover sp.
storm-petrel sp. (white-rumped)
plover sp.
Red-necked/Little Stint
sand-plover sp.
Alder/Willow Flycatcher (Traill's Flycatcher)
small falcon sp.
Common/Oriental Cuckoo
Taiga/Tundra Bean-Goose
Surf/Black Scoter
Common Ringed/Semipalmated Plover
Common/Short-billed Gull
large shorebird sp.
sapsucker sp.
Emberiza sp.
large falcon sp.
Snow/McKay's Bunting
Rusty/Brewer's Blackbird
Long-tailed/Parasitic Jaeger
Little/Least Tern
old world warbler sp.
Tundra/Whooper Swan
storm-petrel sp.
longspur sp.
bluebird sp.
Anna's/Costa's Hummingbird
Blue-winged/Cinnamon Teal
Hydrobates sp. (Band-rumped complex)
black-and-white shearwater sp.
white egret sp.
large tern sp.
Branta sp.
Double-crested/Neotropic Cormorant
Gray-streaked/Dark-sided Flycatcher
Selasphorus sp.
Tachycineta sp.
Great/Medium Egret
Spizella sp./American Tree Sparrow
Western/Eastern Wood-Pewee
Japanese Leaf/Arctic/Kamchatka Leaf Warbler
Rufous/Allen's Hummingbird
Dryobates sp.
Arctic/Kamchatka Leaf Warbler
cuckoo sp. (Cuculidae sp.)
pewee sp. (Contopus sp.)
House/Purple Finch
Buteo/eagle sp.
MacGillivray's/Mourning Warbler
Podiceps sp.
large albatross sp.
Connecticut/MacGillivray's/Mourning Warbler
Pterodroma sp.
Northern/Great Gray Shrike
storm-petrel sp. (dark-rumped)
Dusky/Naumann's Thrush
Snowy/Kentish Plover
Tree/Olive-backed Pipit