Updated ~33 hr(s) ago.
824 species (+400 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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Snow x Greater White-fronted Goose (hybrid)
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Domestic goose sp. (Domestic type)
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Anser sp.
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Snow Goose x Brant (hybrid)
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Snow x Cackling Goose (hybrid)
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Ross's x Cackling Goose (hybrid)
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Greater White-fronted x Cackling Goose (hybrid)
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Barnacle x Cackling Goose (hybrid)
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Swan Goose x Canada Goose (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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Ross's x Canada Goose (hybrid)
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Barnacle x Canada Goose (hybrid)
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Cackling/Canada Goose
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Snow/Ross's x Cackling/Canada Goose (hybrid)
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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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Blue-winged x Cinnamon Teal (hybrid)
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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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Cinnamon Teal x Northern Shoveler (hybrid)
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Northern Shoveler x Gadwall (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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Northern Shoveler x Mallard (hybrid)
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Gadwall x Mallard (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
American Wigeon x Mallard (hybrid)
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Mallard x Hawaiian Duck (hybrid)
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Mallard/Hawaiian Duck
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Mallard x Mexican Duck (hybrid)
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Mallard/Mexican Duck
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Mallard x American Black Duck (hybrid)
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Mallard/American Black Duck
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Mallard x Mottled Duck (hybrid)
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Mexican x Mottled Duck (hybrid)
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Mallard/Mottled Duck
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Mexican/Mottled Duck
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American Black/Mottled 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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Canvasback x Redhead (hybrid)
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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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Ring-necked Duck x Lesser Scaup (hybrid)
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Tufted Duck x Lesser Scaup (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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Common/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 | |||
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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Scaled x Gambel's Quail (hybrid)
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California/Gambel's Quail
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
new world quail sp.
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Dusky/Sooty Grouse
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Sharp-tailed Grouse x Greater Prairie-Chicken (hybrid)
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Greater/Lesser Prairie-Chicken
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Ruffed/Spruce Grouse
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grouse sp.
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Ring-necked/Green Pheasant
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
francolin/spurfowl sp.
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Horned/Eared Grebe
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Podiceps sp.
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Western x Clark's Grebe (hybrid)
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Western/Clark's Grebe
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
grebe sp.
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Rock/Band-tailed Pigeon
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Eurasian x African Collared-Dove (hybrid)
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Eurasian/African Collared-Dove
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Streptopelia sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Common/Ruddy Ground Dove
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ground dove/Inca Dove
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pigeon/dove sp.
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Smooth-billed/Groove-billed Ani
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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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swift sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Ruby-throated/Black-chinned Hummingbird
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Black-chinned x Costa's Hummingbird (hybrid)
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Anna's x Costa's Hummingbird (hybrid)
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Anna's/Costa's Hummingbird
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Rufous/Allen's Hummingbird
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Selasphorus sp.
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Anna's x Broad-billed Hummingbird (hybrid)
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hummingbird sp.
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King/Clapper Rail
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large rail sp.
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King/Virginia Rail
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Eurasian Moorhen/Common Gallinule
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moorhen/coot/gallinule sp.
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rail/crake sp.
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crane sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
American x Black Oystercatcher (hybrid)
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American/Black Oystercatcher
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American/Pacific Golden-Plover (Lesser Golden-Plover)
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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 | |||
small plover sp.
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plover sp.
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curlew sp.
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godwit 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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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 | |||
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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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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 | |||
auklet sp.
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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
murrelet sp.
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alcid sp.
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Laughing/Franklin's Gull
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Black-headed x Ring-billed Gull (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Kelp x Herring 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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Herring x Lesser Black-backed Gull (hybrid)
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Herring/Lesser Black-backed Gull
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Western x Glaucous-winged Gull (hybrid)
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Herring x Glaucous-winged Gull (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Glaucous x Glaucous-winged Gull (hybrid)
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Herring/Glaucous-winged Gull
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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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Brown/Black Noddy
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Sooty/Bridled Tern
|
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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 | |||
Elegant/Royal 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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tropicbird sp.
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Arctic/Pacific Loon
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Common/Yellow-billed Loon
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loon sp.
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albatross 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 | |||
Cookilaria petrel sp.
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Pterodroma sp.
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Cory's/Great Shearwater
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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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shearwater sp.
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procellariid sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
frigatebird sp.
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Masked/Nazca Booby
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booby sp.
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sulid 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 x Neotropic Cormorant (hybrid)
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Double-crested/Neotropic Cormorant
|
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cormorant 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 | |||
Western/Eastern Cattle Egret
|
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Western Cattle/Yellow-billed Egret
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heron sp.
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white egret sp.
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White x Scarlet Ibis (hybrid)
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Glossy x White-faced Ibis (hybrid)
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Glossy/White-faced Ibis
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ibis sp.
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new world vulture sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
harrier sp.
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Sharp-shinned/Cooper's Hawk
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Cooper's Hawk/American Goshawk
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Accipiter sp.
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Golden/Bald Eagle
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Common Black x Red-shouldered Hawk (hybrid)
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Red-shouldered/Broad-winged Hawk
|
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Red-shouldered x Red-tailed Hawk (hybrid)
|
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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 | |||
Strix sp.
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Long-eared/Short-eared Owl
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Asio sp.
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owl sp.
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kingfisher sp.
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Yellow-bellied x Red-naped Sapsucker (hybrid)
|
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Yellow-bellied/Red-naped Sapsucker
|
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Red-naped x Red-breasted Sapsucker (hybrid)
|
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Yellow-bellied/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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Golden-fronted x Red-bellied Woodpecker (hybrid)
|
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Golden-fronted/Red-bellied Woodpecker
|
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Downy x Nuttall's Woodpecker (hybrid)
|
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Nuttall's x Ladder-backed Woodpecker (hybrid)
|
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Downy/Ladder-backed Woodpecker
|
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Nuttall's/Ladder-backed Woodpecker
|
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Downy/Hairy Woodpecker
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Hairy x White-headed Woodpecker (hybrid)
|
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Dryobates sp.
|
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Northern/Gilded Flicker
|
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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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White x Salmon-crested Cockatoo (hybrid)
|
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eclectus sp.
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Fischer's x Yellow-collared Lovebird (hybrid)
|
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lovebird sp.
|
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White-winged/Yellow-chevroned Parakeet
|
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Red-crowned x Lilac-crowned Parrot (hybrid)
|
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Red-crowned x Red-lored Parrot (hybrid)
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Amazona sp.
|
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Mitred/Red-masked Parakeet
|
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Psittacara 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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parakeet sp.
|
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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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Hammond's/Dusky Flycatcher
|
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Gray/Dusky Flycatcher
|
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Empidonax sp.
|
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phoebe sp.
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Myiarchus sp.
|
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Tropical/Couch's Kingbird
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Cassin's/Western Kingbird
|
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yellow-bellied kingbird sp.
|
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Couch's Kingbird x Scissor-tailed Flycatcher (hybrid)
|
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Tyrannus 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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solitary vireo sp.
|
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Philadelphia/Warbling Vireo
|
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Red-eyed/Yellow-green 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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Steller's Jay x Woodhouse's Scrub-Jay (hybrid)
|
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California/Woodhouse's Scrub-Jay
|
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Aphelocoma 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 | |||
raven sp.
|
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crow/raven sp.
|
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corvid sp.
|
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Carolina x Black-capped Chickadee (hybrid)
|
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Carolina/Black-capped Chickadee
|
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Black-capped x Mountain Chickadee (hybrid)
|
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Black-capped/Mountain Chickadee
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chickadee sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Bridled/Juniper Titmouse
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Oak/Juniper Titmouse (Plain Titmouse)
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Tufted x Black-crested Titmouse (hybrid)
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Tufted/Black-crested Titmouse
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Tree/Violet-green Swallow
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new world martin sp. (Progne sp.)
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Cliff/Cave Swallow
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swallow sp.
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Red-whiskered/Red-vented Bulbul
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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 | |||
gnatcatcher sp.
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Pacific/Winter Wren
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Sedge/Marsh Wren
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
wren sp.
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Brown/Long-billed Thrasher
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Curve-billed/Bendire's Thrasher
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Toxostoma sp.
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mimid sp.
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bluebird sp.
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Gray-cheeked/Bicknell's Thrush
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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 | |||
Bohemian/Cedar Waxwing
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Lonchura sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
estrildid finch sp.
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House x Eurasian Tree Sparrow (hybrid)
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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 | |||
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
hawaiian honeycreeper sp.
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rosy-finch sp.
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House/Purple Finch
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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 | |||
Common/Hoary Redpoll
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redpoll sp.
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Red/Cassia Crossbill
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crossbill sp.
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new world goldfinch sp.
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Spinus sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Acanthis/Spinus sp.
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finch sp.
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longspur sp.
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Snow/McKay's Bunting
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Clay-colored/Brewer's Sparrow
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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 | |||
Dark-eyed/Yellow-eyed Junco
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White-crowned x Golden-crowned Sparrow (hybrid)
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White-crowned x White-throated Sparrow (hybrid)
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Golden-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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Sagebrush/Bell's Sparrow (Sage Sparrow)
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LeConte's/Nelson's Sparrow
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Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow)
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Ammospiza sp.
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Grasshopper/Baird's 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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Canyon x Abert's Towhee (hybrid)
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Canyon/Abert's Towhee
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Canyon x Spotted Towhee (hybrid)
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Spotted x Eastern Towhee (hybrid)
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Spotted/Eastern Towhee (Rufous-sided Towhee)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
towhee sp.
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new world sparrow sp.
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Western/Eastern Meadowlark
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Western/Chihuahuan Meadowlark
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Eastern/Chihuahuan Meadowlark
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Sturnella meadowlark sp.
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Orchard/Hooded Oriole
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Altamira x Audubon's Oriole (hybrid)
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Bullock's/Baltimore Oriole
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new world oriole sp.
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Red-winged/Tricolored Blackbird
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Shiny/Brown-headed Cowbird
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Bronzed/Brown-headed Cowbird
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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Louisiana/Northern Waterthrush
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Leiothlypis sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Northern x Tropical Parula (hybrid)
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Northern/Tropical Parula
|
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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 Yellow-rumped Warbler (hybrid)
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Northern Parula x Yellow-throated Warbler (hybrid)
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Townsend's x Hermit Warbler (hybrid)
|
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Townsend's/Hermit Warbler
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Setophaga sp.
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new world warbler sp.
|
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tanager sp. (Piranga sp.)
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Northern Cardinal x Pyrrhuloxia (hybrid)
|
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Northern Cardinal/Pyrrhuloxia
|
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Rose-breasted/Black-headed Grosbeak
|
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Lazuli x Indigo Bunting (hybrid)
|
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Lazuli/Indigo Bunting
|
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Passerina sp.
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Thraupidae sp.
|
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passerine sp.
|
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bird sp.
|
KEY:| = insufficient data |
= rare to widespread