species
53.
species
102.
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106.
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species
434.
Black-capped x Mountain Chickadee (hybrid)
Bufflehead x Common Goldeneye (hybrid)
Common x Barrow's Goldeneye (hybrid)
Muscovy Duck x Mallard (hybrid)
Snow x Canada Goose (hybrid)
Domestic goose sp. x Canada Goose (hybrid)
Bullock's x Baltimore Oriole (hybrid)
Western x Clark's Grebe (hybrid)
Northern Parula x Black-throated Gray Warbler (hybrid)
Graylag x Swan Goose (hybrid)
Bufflehead x Hooded Merganser (hybrid)
Blue-winged x Cinnamon Teal (hybrid)
Mallard x Northern Pintail (hybrid)
Eurasian x American Wigeon (hybrid)
Lazuli x Indigo Bunting (hybrid)
Cinnamon Teal x Northern Shoveler (hybrid)
Common Goldeneye x Hooded Merganser (hybrid)
Blue-winged Teal x Northern Shoveler (hybrid)
Red-tailed x Rough-legged Hawk (hybrid)
Gadwall x Mallard (hybrid)
Redhead x Ring-necked Duck (hybrid)
Graylag x Canada Goose (hybrid)
Yellow-bellied x Red-naped Sapsucker (hybrid)
Rose-breasted x Black-headed Grosbeak (hybrid)
Glossy x White-faced Ibis (hybrid)
American Wigeon x Mallard (hybrid)
Greater White-fronted x Canada Goose (hybrid)
Snow x Ross's Goose (hybrid)
Rufous x Broad-tailed Hummingbird (hybrid)
Townsend's x Black-throated Green Warbler (hybrid)
Glaucous x Glaucous-winged Gull (hybrid)
Mallard x Mexican Duck (hybrid)
Swan Goose x Canada Goose (hybrid)
Snow x Cackling Goose (hybrid)
Western x Eastern Meadowlark (hybrid)
Mallard x Green-winged Teal (hybrid)
Western x Glaucous-winged Gull (hybrid)
Yellow-rumped x Black-throated Gray Warbler (hybrid)
Northern Shoveler x Gadwall (hybrid)
Northern Pintail x Green-winged Teal (hybrid)
Snow x Greater White-fronted Goose (hybrid)
Common x Great-tailed Grackle (hybrid)
Redhead x Lesser Scaup (hybrid)
Gadwall x Northern Pintail (hybrid)
Herring x Glaucous Gull (hybrid)
Green-tailed x Spotted Towhee (hybrid)
Black-capped/Mountain Chickadee
Trumpeter/Tundra Swan
blackbird sp.
Common/Barrow's Goldeneye
Sharp-shinned/Cooper's Hawk
nuthatch sp.
Cackling/Canada Goose
large falcon sp.
Haemorhous sp.
rosy-finch sp.
Domestic goose sp. (Domestic type)
Ruby-crowned/Golden-crowned Kinglet
crossbill sp.
shorebird sp.
Loggerhead/Northern Shrike
Common/Red-breasted Merganser
Lesser/Greater Yellowlegs
Horned/Eared Grebe
Short-billed/Long-billed Dowitcher
Black-bellied Plover/golden-plover sp.
new world warbler sp.
sparrow/warbler sp. (trilling song)
Blue-winged/Cinnamon Teal
Forster's/Common Tern
hummingbird sp.
Empidonax sp.
Lincoln's/Swamp Sparrow
Catharus sp.
Western/Semipalmated Sandpiper
Common/Arctic Tern
Setophaga sp.
screech-owl sp.
Rose-breasted/Black-headed Grosbeak
Spotted/Eastern Towhee (Rufous-sided Towhee)
Hammond's/Dusky Flycatcher
Alder/Willow Flycatcher (Traill's Flycatcher)
Tree/Violet-green Swallow
solitary vireo sp.
American Three-toed/Black-backed Woodpecker
Leiothlypis sp.
longspur sp.
Scolopacidae sp.
waterfowl sp.
Yellow-bellied/Red-naped Sapsucker
Calidris sp.
Bullock's/Baltimore Oriole
Tringa sp.
Cassin's/Western Kingbird
Cassin's/Blue-headed Vireo
Western/Eastern Wood-Pewee
Purple/Cassin's Finch
Chimney/Vaux's Swift
Tachycineta sp.
Passerina sp.
Long-eared/Short-eared Owl
gull/tern sp.
Red/Red-necked Phalarope
Cooper's Hawk/American Goshawk
Cassin's/Plumbeous Vireo
Western/Eastern Meadowlark
Pheucticus sp.
Ring-necked/Green Pheasant
large rail sp.
Myiarchus sp.
Spizella sp./American Tree Sparrow
MacGillivray's/Mourning Warbler
tanager sp. (Piranga sp.)
California/Gambel's Quail
Rusty/Brewer's Blackbird
kingfisher sp.
Herring/Iceland Gull
Pacific/Winter Wren
House/Eurasian Tree Sparrow
Common/Yellow-billed Loon
heron sp.
Philadelphia/Warbling Vireo
cuckoo sp. (Cuculidae sp.)
Yellow-billed/Black-billed Cuckoo
Dryobates sp.
Melanerpes sp.
Ruby-throated/Black-chinned Hummingbird
Yellow-crowned/Black-crowned Night Heron
cormorant sp.
merganser sp.
Shiny/Brown-headed Cowbird
Streptopelia sp.
Grasshopper/Baird's Sparrow
rail/crake sp.