Updated ~24 hr(s) ago.
810 species (+235 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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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 Cackling 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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Cackling/Canada Goose
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Snow/Ross's x Cackling/Canada Goose (hybrid)
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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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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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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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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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Mallard x Northern Pintail (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 | |||
Surf/Black Scoter
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scoter sp.
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Common x Barrow's Goldeneye (hybrid)
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Common/Barrow's Goldeneye
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Barrow's 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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California x Gambel's Quail (hybrid)
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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 | |||
pheasant sp.
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francolin/spurfowl sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Horned/Eared Grebe
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Podiceps sp.
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Western x Clark's Grebe (hybrid)
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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 | |||
ground dove/Inca Dove
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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 | |||
cuckoo sp. (Cuculidae sp.)
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nighthawk sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
nightjar sp.
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swift sp.
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Ruby-throated/Black-chinned Hummingbird
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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Selasphorus sp.
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Broad-billed x Violet-crowned Hummingbird (hybrid)
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hummingbird sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
King/Clapper Rail
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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 x Black Oystercatcher (hybrid)
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American/Pacific Golden-Plover (Lesser Golden-Plover)
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golden-plover sp.
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Black-bellied Plover/golden-plover sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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Common/Wilson's Snipe
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snipe sp.
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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 | |||
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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Parasitic/Pomarine Jaeger
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jaeger sp.
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jaeger/skua 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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Scripps's/Guadalupe/Craveri'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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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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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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Western/Glaucous-winged Gull
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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 | |||
Forster's/Common Tern
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Sterna sp.
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tern sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
loon sp.
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Laysan x Black-footed Albatross (hybrid)
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albatross 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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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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sulid sp.
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Great/Double-crested Cormorant
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 | |||
white egret sp.
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Glossy/White-faced Ibis
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new world vulture 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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Golden/Bald Eagle
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Buteo sp.
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hawk sp.
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eagle 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 | |||
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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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 | |||
Downy x Nuttall's Woodpecker (hybrid)
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Downy/Hairy Woodpecker
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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eclectus sp.
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lovebird 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 | |||
Mitred/Red-masked Parakeet
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large parakeet sp. (former Aratinga sp.)
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parakeet sp.
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parrot sp.
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elaenia sp. (genus Elaenia)
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Western/Eastern Wood-Pewee
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
pewee sp. (Contopus sp.)
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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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Tropical/Couch's Kingbird
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yellow-bellied kingbird sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
new world flycatcher sp.
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Cassin's/Plumbeous Vireo
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
vireo sp.
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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 | |||
California/Woodhouse's Scrub-Jay
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crow sp.
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raven 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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Oak/Juniper Titmouse (Plain Titmouse)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 | |||
Cliff/Cave Swallow
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Petrochelidon sp.
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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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nuthatch sp.
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gnatcatcher 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 | |||
Curve-billed/Bendire's Thrasher
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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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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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new world goldfinch sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 | |||
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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Zonotrichia sp.
|
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Sagebrush/Bell's Sparrow (Sage Sparrow)
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow)
|
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Ammospiza sp.
|
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Canyon/Abert's Towhee
|
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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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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Orchard/Hooded Oriole
|
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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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new world oriole sp.
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Red-winged/Tricolored Blackbird
|
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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Northern/Tropical Parula
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Townsend's x Hermit Warbler (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 | |||
Sporophila sp.
|
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passerine sp.
|
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bird sp.
|
KEY:| = insufficient data |
= rare to widespread