Updated ~27 hr(s) ago.
584 species (+235 other taxa) | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
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Snow/Ross's Goose
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Graylag x Swan Goose (hybrid)
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Snow x Greater White-fronted Goose (hybrid)
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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 Cackling Goose (hybrid)
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Greater White-fronted x Canada Goose (hybrid)
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Snow x Canada Goose (hybrid)
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Cackling/Canada Goose
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Branta sp.
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Trumpeter/Tundra Swan
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Tundra/Whooper Swan
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
swan sp.
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goose sp.
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Blue-winged x Cinnamon Teal (hybrid)
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Blue-winged/Cinnamon Teal
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Blue-winged Teal x Northern Shoveler (hybrid)
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Cinnamon Teal x Northern Shoveler (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Eurasian x American Wigeon (hybrid)
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Eurasian/American Wigeon
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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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Gadwall x Northern Pintail (hybrid)
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Mallard x Northern Pintail (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Blue-winged x Green-winged Teal (hybrid)
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Northern Pintail x Green-winged Teal (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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Ring-necked Duck x Greater Scaup (hybrid)
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Tufted Duck x Greater Scaup (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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Spectacled x King Eider (hybrid)
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King/Common Eider
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eider sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
White-winged/Stejneger's Scoter
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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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Common/Barrow's Goldeneye
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Common Goldeneye x Hooded Merganser (hybrid)
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goldeneye sp. x Hooded Merganser (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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Dusky/Sooty Grouse
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 | |||
pigeon/dove sp.
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Common/Oriental Cuckoo
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Cuculus sp.
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cuckoo sp. (Cuculidae sp.)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
swift sp.
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Anna's/Costa's Hummingbird
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Anna's x Rufous 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 | |||
crane 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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Common Ringed/Semipalmated Plover
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
sand-plover sp.
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Snowy/Kentish Plover
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small plover sp.
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plover sp.
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curlew sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
godwit sp.
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Short-billed/Long-billed Dowitcher
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Common/Wilson's Snipe
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snipe sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Red/Red-necked Phalarope
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phalarope sp.
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Common/Spotted Sandpiper
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Gray-tailed/Wandering Tattler
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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 | |||
Red-necked/Little Stint
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Dunlin x White-rumped Sandpiper (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Sharp-tailed/Pectoral Sandpiper
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Western/Semipalmated Sandpiper
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peep sp.
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Calidris sp.
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Scolopacidae sp.
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large shorebird sp.
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shorebird sp.
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Long-tailed/Parasitic Jaeger
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Parasitic/Pomarine Jaeger
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jaeger sp.
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jaeger/skua sp.
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puffin sp.
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auklet sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Black/Pigeon Guillemot
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Thick-billed x Common Murre (hybrid)
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Thick-billed/Common Murre
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large alcid sp.
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murrelet sp.
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alcid sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Black-legged/Red-legged Kittiwake
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Common/Short-billed Gull
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American Herring/Vega Gull
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American Herring x Glaucous Gull (hybrid)
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Vega x Glaucous Gull (hybrid)
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Western x Glaucous-winged Gull (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
American Herring x Glaucous-winged Gull (hybrid)
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Glaucous x Glaucous-winged Gull (hybrid)
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American Herring/Glaucous-winged Gull
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Vega x Slaty-backed Gull (hybrid)
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Glaucous-winged x Slaty-backed Gull (hybrid)
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Glaucous x Slaty-backed Gull (hybrid)
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American 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 | |||
Little/Least Tern
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Common/Arctic Tern
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Sterna sp.
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large tern 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 | |||
Horned/Eared Grebe
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Podiceps sp.
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grebe sp.
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Arctic/Pacific Loon
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Common x Yellow-billed Loon (hybrid)
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Common/Yellow-billed Loon
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loon sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
large albatross sp.
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Laysan x Black-footed Albatross (hybrid)
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albatross sp.
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Hydrobates sp. (Band-rumped complex)
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Hydrobates sp.
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storm-petrel sp. (dark-rumped)
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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 | |||
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 | |||
small shearwater sp.
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shearwater sp.
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procellariid sp.
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Double-crested/Neotropic Cormorant
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cormorant 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 | |||
Great/Medium Egret
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heron sp.
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white egret sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Cooper's Hawk/American Goshawk
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Accipitrine hawk sp. (former Accipiter sp.)
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Hen/Northern Harrier
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harrier sp.
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Golden/Bald Eagle
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 | |||
owl sp.
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Yellow-bellied 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 | |||
American Three-toed/Black-backed Woodpecker
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Downy/Hairy Woodpecker
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Dryobates sp.
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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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Western/Eastern Wood-Pewee
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pewee sp. (Contopus sp.)
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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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vireo sp.
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Northern/Great Gray Shrike
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shrike sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
jay sp.
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crow sp.
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raven sp.
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crow/raven sp.
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corvid 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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Tachycineta sp.
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swallow sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Arctic/Kamchatka Leaf Warbler
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Japanese Leaf/Arctic/Kamchatka Leaf Warbler
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Phylloscopus sp.
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old world warbler sp.
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Ruby-crowned/Golden-crowned Kinglet
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
bluebird sp.
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Catharus sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Dusky/Naumann's Thrush
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Turdus sp.
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thrush sp.
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Gray-streaked/Dark-sided Flycatcher
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Bohemian/Cedar Waxwing
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
wagtail sp.
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Tree/Olive-backed Pipit
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Siberian/American Pipit
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pipit sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
rosy-finch sp.
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House/Purple Finch
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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longspur sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Snow x McKay's Bunting (hybrid)
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Snow/McKay's Bunting
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Emberiza sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Spizella sp.
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Spizella sp./American Tree Sparrow
|
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White-crowned x Golden-crowned Sparrow (hybrid)
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Dark-eyed Junco x White-throated Sparrow (hybrid)
|
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Zonotrichia sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
new world sparrow sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Rusty/Brewer's Blackbird
|
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blackbird sp.
|
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Connecticut/MacGillivray's/Mourning Warbler
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
MacGillivray's/Mourning Warbler
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Yellow-rumped x Black-throated Gray Warbler (hybrid)
|
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Townsend's x Hermit Warbler (hybrid)
|
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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 | |||
Rose-breasted/Black-headed Grosbeak
|
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passerine sp.
|
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bird sp.
|
KEY:| = insufficient data |
= rare to widespread