Updated ~27 hr(s) ago.
559 species (+275 other taxa) | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
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whistling-duck sp.
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Snow x Ross's Goose (hybrid)
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Snow/Ross's Goose
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Graylag x Swan Goose (hybrid)
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Taiga/Tundra Bean-Goose
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Domestic goose sp. (Domestic type)
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Swan Goose x Canada 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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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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Gadwall x American Wigeon (hybrid)
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Eurasian x American Wigeon (hybrid)
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Eurasian/American Wigeon
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Muscovy Duck x Mallard (hybrid)
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Northern Shoveler 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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Gadwall x Northern Pintail (hybrid)
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Mallard x Northern Pintail (hybrid)
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Gadwall x Green-winged Teal (hybrid)
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American Wigeon x Green-winged Teal (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Anas sp.
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teal sp.
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dabbling duck sp.
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Canvasback x Redhead (hybrid)
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Canvasback x Ring-necked Duck (hybrid)
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Redhead x Ring-necked Duck (hybrid)
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Redhead x Greater Scaup (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 | |||
Redhead x Lesser Scaup (hybrid)
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Ring-necked Duck x Lesser Scaup (hybrid)
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Redhead 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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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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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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Wood Duck x Hooded Merganser (hybrid)
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Bufflehead x Hooded Merganser (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Common Goldeneye x Hooded Merganser (hybrid)
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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 | |||
Sharp-tailed Grouse x Greater Prairie-Chicken (hybrid)
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Ruffed/Spruce Grouse
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grouse sp.
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pheasant sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Common/Rain Quail
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flamingo sp.
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Horned/Eared Grebe
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Podiceps sp.
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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 | |||
Eurasian/African Collared-Dove
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pigeon/dove sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Yellow-billed/Black-billed Cuckoo
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Coccyzus sp.
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cuckoo sp. (Cuculidae sp.)
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nighthawk sp.
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Antrostomus sp.
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nightjar sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Chaetura sp.
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swift sp.
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violetear sp.
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Ruby-throated/Black-chinned Hummingbird
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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 | |||
large rail sp.
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King/Virginia Rail
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Rallus 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 | |||
American/Pacific Golden-Plover (Lesser Golden-Plover)
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Black-bellied Plover/golden-plover sp.
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small plover sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
plover sp.
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Whimbrel/Eurasian Curlew
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godwit sp.
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Short-billed/Long-billed Dowitcher
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Common/Wilson's Snipe
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Red/Red-necked Phalarope
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phalarope sp.
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Common/Spotted Sandpiper
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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 | |||
Dunlin x White-rumped Sandpiper (hybrid)
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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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large alcid sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Laughing/Franklin's Gull
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Common/Short-billed Gull
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Laughing x Ring-billed Gull (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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Yellow-legged/Lesser Black-backed Gull
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Herring x California Gull (hybrid)
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Herring x Glaucous-winged Gull (hybrid)
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Herring/Iceland Gull
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
white-winged gull sp.
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Larus sp.
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gull sp.
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Forster's/Common Tern
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Common/Arctic Tern
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Sterna sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 | |||
storm-petrel sp. (white-rumped)
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storm-petrel sp.
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Sooty/Short-tailed Shearwater
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shearwater sp.
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procellariid sp.
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frigatebird sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Great/Double-crested Cormorant
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Double-crested/Neotropic Cormorant
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cormorant sp.
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small bittern sp.
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Yellow-crowned/Black-crowned Night Heron
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
heron sp.
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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 | |||
ibis sp.
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Cathartes sp.
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new world vulture sp.
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Sharp-shinned/Cooper's Hawk
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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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Accipiter sp.
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Golden/Bald Eagle
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Red-shouldered/Broad-winged Hawk
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Red-shouldered x Red-tailed Hawk (hybrid)
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Red-tailed x Rough-legged Hawk (hybrid)
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Buteo sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Buteo/eagle sp.
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hawk sp.
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eagle sp.
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Long-eared/Short-eared Owl
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Asio 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-naped Sapsucker (hybrid)
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Melanerpes sp.
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American Three-toed/Black-backed Woodpecker
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Downy/Hairy Woodpecker
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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 | |||
parrot 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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Myiarchus sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Tropical/Couch's Kingbird
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Cassin's/Western Kingbird
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Western x Eastern Kingbird (hybrid)
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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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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Loggerhead/Northern Shrike
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shrike sp.
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jay sp.
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American/Fish Crow
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crow sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
crow/raven sp.
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Carolina x Black-capped Chickadee (hybrid)
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Carolina/Black-capped Chickadee
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chickadee sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
new world martin sp. (Progne sp.)
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Barn x Cliff Swallow (hybrid)
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Cliff/Cave Swallow
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swallow 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 | |||
nuthatch sp.
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wren sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
mimid sp.
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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 | |||
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/Eurasian Tree Sparrow
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pipit sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
House/Purple Finch
|
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Common/Hoary Redpoll
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redpoll sp.
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crossbill sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
new world goldfinch 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 | |||
Chipping x Clay-colored Sparrow (hybrid)
|
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Spizella sp.
|
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Spizella sp./American Tree Sparrow
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
White-crowned x White-throated Sparrow (hybrid)
|
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Dark-eyed Junco x White-throated Sparrow (hybrid)
|
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White-crowned/White-throated Sparrow
|
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Zonotrichia sp.
|
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Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow)
|
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Ammospiza sp.
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Grasshopper/Henslow's Sparrow
|
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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 x Eastern Meadowlark (hybrid)
|
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Western/Eastern Meadowlark
|
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Western/Chihuahuan Meadowlark
|
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Sturnella meadowlark sp.
|
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Bullock's/Baltimore Oriole
|
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new world oriole 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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Boat-tailed/Great-tailed Grackle
|
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grackle sp.
|
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blackbird sp.
|
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Louisiana/Northern Waterthrush
|
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Golden-winged x Blue-winged Warbler (hybrid)
|
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Brewster's Warbler (hybrid)
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Lawrence's Warbler (hybrid)
|
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Golden-winged/Blue-winged Warbler
|
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Orange-crowned x Nashville Warbler (hybrid)
|
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Leiothlypis 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 | |||
Magnolia x Chestnut-sided Warbler (hybrid)
|
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Bay-breasted/Blackpoll Warbler
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Magnolia x Black-throated Blue Warbler (hybrid)
|
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Magnolia x Yellow-rumped Warbler (hybrid)
|
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Black-throated Gray x Townsend's Warbler (hybrid)
|
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Setophaga sp.
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
new world warbler sp.
|
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Summer/Scarlet Tanager
|
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tanager sp. (Piranga sp.)
|
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Northern Cardinal/Pyrrhuloxia
|
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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 | |||
Pheucticus sp.
|
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passerine sp.
|
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bird sp.
|
KEY:| = insufficient data | = rare to widespread