Updated ~23 hr(s) ago.
444 species (+146 other taxa) | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
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Snow x Ross's Goose (hybrid)
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Snow/Ross's Goose
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Snow x Greater White-fronted Goose (hybrid)
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Domestic goose sp. (Domestic type)
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Greater White-fronted x Cackling Goose (hybrid)
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Greater White-fronted x Canada Goose (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Domestic goose sp. x Canada Goose (hybrid)
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Snow x Canada Goose (hybrid)
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Cackling/Canada Goose
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Trumpeter/Tundra Swan
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swan sp.
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goose sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Blue-winged/Cinnamon Teal
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Eurasian x American Wigeon (hybrid)
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Eurasian/American Wigeon
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Muscovy Duck x Mallard (hybrid)
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Gadwall x Mallard (hybrid)
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American Wigeon x Mallard (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Mallard x American Black Duck (hybrid)
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American Wigeon x Northern Pintail (hybrid)
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Mallard x Northern Pintail (hybrid)
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teal sp.
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dabbling duck sp.
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Ring-necked Duck x Lesser Scaup (hybrid)
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Greater/Lesser Scaup
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Aythya sp.
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Surf/Black Scoter
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scoter sp.
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Common x Barrow's Goldeneye (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Common/Barrow's Goldeneye
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Common/Red-breasted Merganser
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duck sp.
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waterfowl sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Dusky/Sooty Grouse
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grouse sp.
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Horned/Eared Grebe
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Western x Clark's Grebe (hybrid)
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Western/Clark's Grebe
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grebe sp.
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Rock/Band-tailed Pigeon
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pigeon/dove sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
swift sp.
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Black-chinned x Calliope Hummingbird (hybrid)
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Rufous/Allen's Hummingbird
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Selasphorus sp.
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hummingbird sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
American/Pacific Golden-Plover (Lesser Golden-Plover)
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golden-plover sp.
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Black-bellied Plover/golden-plover sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
plover sp.
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Short-billed/Long-billed Dowitcher
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Common/Wilson's Snipe
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
phalarope sp.
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Lesser/Greater Yellowlegs
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Sharp-tailed/Pectoral Sandpiper
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Western/Semipalmated Sandpiper
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peep sp.
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Calidris sp.
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shorebird sp.
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Long-tailed/Parasitic Jaeger
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Parasitic/Pomarine Jaeger
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jaeger sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Scripps's/Guadalupe Murrelet (Xantus's Murrelet)
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alcid sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Herring x Glaucous Gull (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Western x Glaucous-winged Gull (hybrid)
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Herring x Glaucous-winged Gull (hybrid)
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Glaucous x Glaucous-winged Gull (hybrid)
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Western/Glaucous-winged Gull
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Herring/Iceland Gull
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Larus sp.
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gull sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Forster's/Common Tern
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Common/Arctic Tern
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large tern sp.
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tern sp.
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gull/tern sp.
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loon sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Pterodroma sp.
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Sooty/Short-tailed Shearwater
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
shearwater sp.
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cormorant sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
heron sp.
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Sharp-shinned/Cooper's Hawk
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Accipiter sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Golden/Bald Eagle
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Buteo sp.
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Buteo/eagle sp.
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hawk sp.
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eagle sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Long-eared/Short-eared Owl
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owl sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Red-naped x Red-breasted Sapsucker (hybrid)
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Red-naped/Red-breasted Sapsucker
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sapsucker sp.
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Downy/Hairy Woodpecker
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
woodpecker sp.
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large falcon sp.
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small falcon sp.
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falcon sp.
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diurnal raptor sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
large parakeet sp. (former Aratinga sp.)
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Alder/Willow Flycatcher (Traill's Flycatcher)
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Hammond's/Dusky Flycatcher
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Empidonax sp.
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phoebe sp.
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new world flycatcher sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Cassin's/Blue-headed Vireo
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Cassin's/Plumbeous Vireo
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vireo sp.
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shrike sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
crow sp.
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crow/raven sp.
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Black-capped x Mountain Chickadee (hybrid)
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chickadee sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Tree/Violet-green Swallow
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Barn x Cliff Swallow (hybrid)
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swallow sp.
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Ruby-crowned/Golden-crowned Kinglet
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nuthatch sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Pacific/Winter Wren
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wren sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Catharus sp.
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Varied Thrush/American Robin
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Turdus sp.
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thrush sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Purple/Cassin's Finch
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Haemorhous sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
crossbill sp.
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finch sp.
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Chipping x Clay-colored Sparrow (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Spizella sp.
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White-crowned x Golden-crowned Sparrow (hybrid)
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Zonotrichia sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Song x Swamp Sparrow (hybrid)
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new world sparrow sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Bullock's x Baltimore Oriole (hybrid)
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new world oriole sp.
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blackbird sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Black-throated Gray/Townsend's Warbler
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Townsend's x Hermit Warbler (hybrid)
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Townsend's/Hermit Warbler
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new world warbler sp.
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Rose-breasted/Black-headed Grosbeak
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
passerine sp.
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bird sp.
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KEY:| = insufficient data | = rare to widespread