Updated ~32 hr(s) ago.
501 species (+120 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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Domestic goose sp. (Domestic type)
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Domestic goose sp. 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 | |||
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 | |||
Gadwall x Mallard (hybrid)
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teal sp.
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dabbling duck sp.
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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 | |||
scoter sp.
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Common/Barrow's Goldeneye
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Common/Red-breasted Merganser
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duck sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
California/Gambel's Quail
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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Chimney/Vaux's Swift
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
swift sp.
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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 | |||
American x Black Oystercatcher (hybrid)
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American/Black Oystercatcher
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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 | |||
Short-billed/Long-billed Dowitcher
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Red/Red-necked Phalarope
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phalarope sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Lesser/Greater Yellowlegs
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
peep sp.
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shorebird sp.
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Parasitic/Pomarine Jaeger
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jaeger sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Scripps's/Guadalupe Murrelet (Xantus's Murrelet)
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murrelet sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Yellow-footed/Western Gull
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Herring x Glaucous Gull (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Western x Glaucous-winged Gull (hybrid)
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Herring x Glaucous-winged Gull (hybrid)
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Glaucous x Glaucous-winged Gull (hybrid)
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Western/Glaucous-winged Gull
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Larus sp.
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gull sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Common/Arctic 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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loon sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
storm-petrel sp.
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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 | |||
cormorant sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
white egret sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Sharp-shinned/Cooper's Hawk
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Accipiter sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Buteo sp.
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hawk 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/Red-naped Sapsucker
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Red-naped x Red-breasted Sapsucker (hybrid)
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sapsucker sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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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 | |||
falcon sp.
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Amazona 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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Alder/Willow Flycatcher (Traill's Flycatcher)
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Hammond's/Dusky Flycatcher
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Empidonax sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Myiarchus sp.
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Cassin's/Western 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 | |||
California/Woodhouse's Scrub-Jay
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crow sp.
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crow/raven sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Oak/Juniper Titmouse (Plain Titmouse)
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Tree/Violet-green Swallow
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
swallow sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Pacific/Winter Wren
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wren sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Toxostoma sp.
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Catharus sp.
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thrush sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
House/Purple Finch
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Haemorhous 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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finch sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Spizella sp.
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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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new world sparrow sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Bullock's x Baltimore Oriole (hybrid)
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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 | |||
blackbird sp.
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Louisiana/Northern Waterthrush
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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 | |||
Townsend's x Hermit Warbler (hybrid)
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Black-throated Gray/Hermit Warbler
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
new world warbler sp.
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tanager sp. (Piranga sp.)
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Rose-breasted x Black-headed Grosbeak (hybrid)
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Rose-breasted/Black-headed Grosbeak
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Lazuli x Indigo Bunting (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Lazuli/Indigo Bunting
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Passerina sp.
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passerine sp.
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KEY:| = insufficient data | = rare to widespread