Updated ~33 hr(s) ago.
774 species (+221 other taxa) | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
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Snow x Ross's Goose (hybrid)
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Snow/Ross's Goose
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Snow x Greater White-fronted Goose (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Domestic goose sp. (Domestic type)
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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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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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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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Muscovy Duck x Mallard (hybrid)
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Wood Duck x Mallard (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Gadwall x Mallard (hybrid)
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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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Mallard/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 | |||
Mallard x Northern Pintail (hybrid)
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teal sp.
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dabbling duck sp.
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Ring-necked Duck x Lesser Scaup (hybrid)
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Greater/Lesser Scaup
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Aythya sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
King/Common Eider
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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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Common Goldeneye 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 | |||
new world quail sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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/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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Eurasian Collared-Dove x Mourning Dove (hybrid)
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pigeon/dove 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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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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Broad-billed x Violet-crowned Hummingbird (hybrid)
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hummingbird sp.
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King/Clapper Rail
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Rallus sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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Black-bellied Plover/golden-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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snipe sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Lesser/Greater Yellowlegs
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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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Scolopacidae sp.
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shorebird sp.
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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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auklet 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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alcid sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Common/Short-billed Gull
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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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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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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Larus sp.
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gull sp.
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Brown/Black Noddy
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Sooty/Bridled Tern
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Forster's/Common Tern
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Sterna sp.
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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
loon 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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shearwater sp.
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booby 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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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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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 | |||
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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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Red-naped x Red-breasted Sapsucker (hybrid)
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sapsucker sp.
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Golden-fronted/Red-bellied Woodpecker
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Melanerpes sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Downy x Nuttall's Woodpecker (hybrid)
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Nuttall's/Ladder-backed Woodpecker
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Downy/Hairy Woodpecker
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Northern/Gilded Flicker
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
woodpecker sp.
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large falcon sp.
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small falcon sp.
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falcon sp.
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diurnal raptor sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
White-winged/Yellow-chevroned Parakeet
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Amazona sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
parakeet sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Hammond's/Dusky Flycatcher
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Empidonax sp.
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Black x Say's Phoebe (hybrid)
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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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yellow-bellied kingbird 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/Plumbeous Vireo
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solitary vireo sp.
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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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California/Woodhouse's Scrub-Jay
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
American/Fish Crow
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crow sp.
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raven sp.
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crow/raven sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Carolina x Black-capped Chickadee (hybrid)
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Carolina/Black-capped Chickadee
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chickadee sp.
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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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Cliff/Cave 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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
nuthatch sp.
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gnatcatcher sp.
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Pacific/Winter Wren
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
wren sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Toxostoma sp.
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bluebird sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Catharus sp.
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Varied Thrush/American Robin
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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
rosy-finch 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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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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finch sp.
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longspur 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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
White-crowned x Golden-crowned Sparrow (hybrid)
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White-crowned/White-throated Sparrow
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Zonotrichia sp.
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Sagebrush/Bell's Sparrow (Sage Sparrow)
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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 | |||
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 | |||
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 x Baltimore Oriole (hybrid)
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Bullock's/Baltimore Oriole
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Red-winged/Tricolored Blackbird
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 | |||
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Northern x Tropical Parula (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
new world warbler sp.
|
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Northern Cardinal/Pyrrhuloxia
|
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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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Passerina sp.
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
passerine sp.
|
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bird sp.
|
KEY:| = insufficient data | = rare to widespread