Updated ~38 hr(s) ago.
813 species (+229 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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Graylag x Swan Goose (hybrid)
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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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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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Blue-winged 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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Gadwall x Mallard (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 Wigeon x Northern Pintail (hybrid)
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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 | |||
Blue-winged x Green-winged Teal (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 | |||
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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 | |||
California/Gambel's Quail
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new world quail 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 | |||
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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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 | |||
nighthawk sp.
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nightjar sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
swift sp.
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Ruby-throated/Black-chinned Hummingbird
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Anna's/Costa's Hummingbird
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Rufous x Allen's Hummingbird (hybrid)
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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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Rivoli's x Berylline Hummingbird (hybrid)
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hummingbird sp.
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King/Clapper Rail
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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
American x Black Oystercatcher (hybrid)
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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 | |||
small plover sp.
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plover sp.
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Short-billed/Long-billed Dowitcher
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Common/Wilson's Snipe
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phalarope sp.
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Lesser/Greater Yellowlegs
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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 | |||
Western/Semipalmated Sandpiper
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peep sp.
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large shorebird 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 | |||
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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murrelet sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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Herring x Lesser Black-backed 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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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 | |||
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 | |||
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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
loon sp.
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storm-petrel sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 | |||
shearwater sp.
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procellariid 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/Neotropic Cormorant
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cormorant sp.
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pelican 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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 | |||
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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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/Red-bellied Woodpecker
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Melanerpes sp.
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American Three-toed/Black-backed 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/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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White-winged/Yellow-chevroned Parakeet
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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Psittacara sp.
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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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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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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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Cassin's/Western 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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solitary vireo sp.
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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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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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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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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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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 | |||
thrush sp.
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Bohemian/Cedar Waxwing
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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House/Purple Finch
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Haemorhous sp.
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Common/Hoary Redpoll
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
new world goldfinch sp.
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Acanthis/Spinus sp.
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finch sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
longspur sp.
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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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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Canyon/Abert's Towhee
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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Western/Chihuahuan Meadowlark
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Eastern/Chihuahuan Meadowlark
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Sturnella meadowlark sp.
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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Shiny/Bronzed 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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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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Brewster's Warbler (hybrid)
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Gray-crowned x Common Yellowthroat (hybrid)
|
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Northern x Tropical Parula (hybrid)
|
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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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tanager sp. (Piranga sp.)
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Northern Cardinal/Pyrrhuloxia
|
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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