Updated ~33 hr(s) ago.
588 species (+222 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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Taiga/Tundra Bean-Goose
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Domestic goose sp. (Domestic type)
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Anser sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Snow x Cackling Goose (hybrid)
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Greater White-fronted x Canada Goose (hybrid)
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Graylag x Canada Goose (hybrid)
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Domestic goose sp. x Canada Goose (hybrid)
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Snow x Canada Goose (hybrid)
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Barnacle x Canada Goose (hybrid)
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Cackling/Canada Goose
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Branta sp.
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Mute x Trumpeter Swan (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Trumpeter/Tundra Swan
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swan sp.
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goose sp.
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Blue-winged/Cinnamon Teal
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Blue-winged Teal x Northern Shoveler (hybrid)
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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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Mallard x American Black Duck (hybrid)
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Mallard/American Black Duck
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Gadwall x Northern Pintail (hybrid)
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American Wigeon x Northern Pintail (hybrid)
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Mallard x Northern Pintail (hybrid)
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Anas sp.
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teal sp.
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dabbling duck sp.
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Redhead x Ring-necked Duck (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Ring-necked Duck x Greater Scaup (hybrid)
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Tufted Duck x Greater Scaup (hybrid)
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Redhead x Lesser Scaup (hybrid)
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Ring-necked Duck x Lesser Scaup (hybrid)
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Canvasback x scaup sp. (hybrid)
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Ring-necked Duck x scaup sp. (hybrid)
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Tufted Duck x scaup sp. (hybrid)
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Greater/Lesser Scaup
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Aythya sp.
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eider sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Surf/Black Scoter
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scoter sp.
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Bufflehead x Common Goldeneye (hybrid)
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Common x Barrow's Goldeneye (hybrid)
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Common/Barrow's Goldeneye
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Bufflehead x Hooded Merganser (hybrid)
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Common Goldeneye x Hooded Merganser (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
goldeneye sp. x Hooded Merganser (hybrid)
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Common/Red-breasted Merganser
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merganser sp.
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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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ptarmigan sp.
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Ruffed/Spruce Grouse
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grouse sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Horned/Eared Grebe
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Western x Clark's Grebe (hybrid)
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Western/Clark's Grebe
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grebe sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Streptopelia sp.
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pigeon/dove sp.
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Yellow-billed/Black-billed Cuckoo
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Coccyzus sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Eastern/Mexican Whip-poor-will
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swift sp.
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violetear sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Rufous/Allen's Hummingbird
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Selasphorus sp.
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hummingbird sp.
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moorhen/coot/gallinule sp.
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rail/crake sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
crane sp.
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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 | |||
Common Ringed/Semipalmated Plover
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small plover sp.
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plover sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Short-billed/Long-billed Dowitcher
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Common/Wilson's Snipe
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Red/Red-necked Phalarope
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phalarope sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Lesser/Greater Yellowlegs
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Tringa sp.
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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Scolopacidae sp.
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shorebird sp.
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Parasitic/Pomarine Jaeger
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jaeger sp.
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skua sp.
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jaeger/skua sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Thick-billed/Common Murre
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large alcid sp.
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Scripps's/Guadalupe Murrelet (Xantus's Murrelet)
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murrelet sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
alcid sp.
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Common/Short-billed Gull
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Black-headed x Ring-billed Gull (hybrid)
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Herring x Great Black-backed Gull (hybrid)
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Herring x Glaucous Gull (hybrid)
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Great Black-backed x Glaucous Gull (hybrid)
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Herring x Lesser Black-backed Gull (hybrid)
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Herring/Lesser Black-backed Gull
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Herring x California 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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white-winged gull sp.
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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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Sterna sp.
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tern sp.
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gull/tern sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
loon sp.
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Oceanites sp.
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storm-petrel sp. (white-rumped)
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storm-petrel sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Sooty/Short-tailed Shearwater
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black-and-white shearwater sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
shearwater sp.
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frigatebird sp.
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Great/Double-crested Cormorant
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cormorant sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Yellow-crowned/Black-crowned Night Heron
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heron sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
white egret sp.
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Glossy/White-faced Ibis
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Sharp-shinned/Cooper's Hawk
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Cooper's Hawk/American Goshawk
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Accipiter sp.
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Buteo sp.
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Buteo/eagle sp.
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hawk sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
eagle sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Asio sp.
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owl sp.
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Yellow-bellied/Red-naped Sapsucker
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Yellow-bellied x Red-breasted Sapsucker (hybrid)
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Red-naped x Red-breasted Sapsucker (hybrid)
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sapsucker sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Melanerpes sp.
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American Three-toed/Black-backed Woodpecker
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Downy/Hairy Woodpecker
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woodpecker sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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parakeet sp.
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Western/Eastern Wood-Pewee
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Alder/Willow Flycatcher (Traill's Flycatcher)
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Empidonax sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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solitary vireo sp.
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Philadelphia/Warbling Vireo
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Philadelphia/Red-eyed Vireo
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vireo sp.
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Loggerhead/Northern Shrike
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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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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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swallow sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 | |||
bluebird sp.
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Gray-cheeked/Bicknell's Thrush
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Catharus sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Varied Thrush/American Robin
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Turdus sp.
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thrush sp.
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Bohemian/Cedar Waxwing
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
House/Purple Finch
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Purple/Cassin's Finch
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Common/Hoary Redpoll
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crossbill sp.
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Spinus sp.
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Acanthis/Spinus sp.
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finch sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Chipping x Clay-colored Sparrow (hybrid)
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Spizella sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Spizella sp./American Tree Sparrow
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Golden-crowned x White-throated Sparrow (hybrid)
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White-crowned/White-throated Sparrow
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Lincoln's/Swamp Sparrow
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Spotted/Eastern Towhee (Rufous-sided Towhee)
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new world sparrow sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Western/Eastern Meadowlark
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Sturnella meadowlark sp.
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Bullock's/Baltimore Oriole
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
blackbird sp.
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Golden-winged x Blue-winged Warbler (hybrid)
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Brewster's Warbler (hybrid)
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Lawrence's Warbler (hybrid)
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Golden-winged/Blue-winged Warbler
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Leiothlypis sp.
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MacGillivray's/Mourning Warbler
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Bay-breasted/Blackpoll Warbler
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Townsend's x Hermit Warbler (hybrid)
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Townsend's/Hermit Warbler
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Setophaga sp.
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new world warbler sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
tanager sp. (Piranga sp.)
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Rose-breasted x Black-headed Grosbeak (hybrid)
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Lazuli x Indigo Bunting (hybrid)
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Lazuli/Indigo Bunting
|
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passerine sp.
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bird sp.
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KEY:| = insufficient data | = rare to widespread