Updated ~38 hr(s) ago.
999 species (+192 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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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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Northern Shoveler x Gadwall (hybrid)
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Eurasian x American Wigeon (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Mallard x Mexican Duck (hybrid)
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Mallard/Mexican Duck
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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 | |||
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 | |||
chachalaca 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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American/Greater Flamingo
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Western/Clark's Grebe
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grebe sp.
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Columba sp.
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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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Leptotila sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 | |||
nighthawk sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Eastern/Mexican Whip-poor-will
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Antrostomus sp.
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nightjar sp.
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Cypseloides sp.
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Chimney/Vaux's Swift
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Chaetura sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
large swift sp.
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swift sp.
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hermit 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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Rufous/Allen's Hummingbird
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Selasphorus sp.
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Broad-billed/Turquoise-crowned Hummingbird
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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 | |||
Buff-bellied/Rufous-tailed Hummingbird
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hummingbird sp.
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Ridgway's/Mangrove/Clapper Rail
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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oystercatcher 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 | |||
Red/Red-necked Phalarope
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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 | |||
Western/Semipalmated Sandpiper
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peep sp.
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Calidris sp.
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large shorebird sp.
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shorebird sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Long-tailed/Parasitic Jaeger
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Parasitic/Pomarine Jaeger
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jaeger 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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alcid 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 | |||
Western x Glaucous-winged Gull (hybrid)
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Herring x Glaucous-winged Gull (hybrid)
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Larus sp.
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gull sp.
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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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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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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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storm-petrel 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 | |||
black-and-white shearwater sp.
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shearwater sp.
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Masked/Nazca Booby
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booby sp.
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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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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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Cathartes 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 | |||
Spizaetus sp.
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Mississippi/Plumbeous Kite
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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 | |||
Accipiter sp.
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Common/Great Black Hawk
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Gray/Gray-lined Hawk
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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 | |||
Glaucidium 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 | |||
new world trogon sp.
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motmot sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
kingfisher sp.
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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 | |||
Dryobates sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Campephilus sp./Lineated Woodpecker
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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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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 | |||
Amazona sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
parakeet sp.
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parrot sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
woodcreeper sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
tityra 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 | |||
pewee sp. (Contopus sp.)
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Alder/Willow Flycatcher (Traill's Flycatcher)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Hammond's/Dusky Flycatcher
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Gray/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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Tropical/Couch's Kingbird
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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 | |||
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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vireo sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Black-throated x White-throated Magpie-Jay (hybrid)
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Cyanocorax 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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raven sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Tree/Violet-green Swallow
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
new world martin sp. (Progne sp.)
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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 | |||
nuthatch sp.
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gnatcatcher sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Sedge/Marsh Wren
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
wood-wren sp.
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wren 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 | |||
bluebird sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Catharus sp.
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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 | |||
pipit sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
euphonia sp.
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Haemorhous 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 | |||
finch sp.
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longspur sp.
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Peucaea sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Olive/Green-backed Sparrow
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Spizella 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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Sagebrush/Bell's Sparrow (Sage Sparrow)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Grasshopper/Baird's Sparrow
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Spotted x Collared Towhee (hybrid)
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towhee sp.
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new world sparrow sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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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oropendola 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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Bullock's/Baltimore Oriole
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Bullock's/Black-backed Oriole
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
new world oriole sp.
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Bronzed/Brown-headed Cowbird
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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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Brewster's Warbler (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
MacGillivray's/Mourning Warbler
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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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Townsend's/Hermit Warbler
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Setophaga sp.
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Rufous-capped/Chestnut-capped 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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Hepatic/Summer Tanager
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tanager sp. (Piranga sp.)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
ant-tanager sp.
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Northern Cardinal x Pyrrhuloxia (hybrid)
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Rose-breasted/Black-headed Grosbeak
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Passerina sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Morelet's/Cinnamon-rumped Seedeater
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Sporophila 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.
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KEY:| = insufficient data |
= rare to widespread