Updated ~39 hr(s) ago.
585 species (+243 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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Domestic goose sp. (Domestic type)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Snow x Cackling Goose (hybrid)
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Ross's x Cackling Goose (hybrid)
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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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Trumpeter/Tundra Swan
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swan sp.
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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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Blue-winged Teal x Northern Shoveler (hybrid)
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Cinnamon Teal x Northern Shoveler (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Gadwall x American Wigeon (hybrid)
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Eurasian x American Wigeon (hybrid)
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Gadwall x Mallard (hybrid)
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American Wigeon x Mallard (hybrid)
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Mallard x Mexican Duck (hybrid)
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Mallard/Mexican Duck
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Gadwall x Northern Pintail (hybrid)
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Mallard x Northern Pintail (hybrid)
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Anas sp.
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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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Redhead x Ring-necked Duck (hybrid)
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Ring-necked Duck x Lesser Scaup (hybrid)
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Redhead x scaup sp. (hybrid)
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Ring-necked Duck x scaup sp. (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 | |||
scoter sp.
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Bufflehead x Common Goldeneye (hybrid)
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Common/Barrow's Goldeneye
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Bufflehead x Hooded Merganser (hybrid)
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Common/Red-breasted Merganser
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merganser sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
duck sp.
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waterfowl sp.
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Scaled x Gambel's Quail (hybrid)
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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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Horned/Eared Grebe
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Western x Clark's Grebe (hybrid)
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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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Eurasian/African Collared-Dove
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Streptopelia sp.
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Common/Ruddy Ground Dove
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ground dove/Inca Dove
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
pigeon/dove sp.
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Yellow-billed/Black-billed Cuckoo
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Coccyzus sp.
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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 | |||
Eastern/Mexican Whip-poor-will
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nightjar sp.
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Chimney/Vaux's Swift
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Chaetura sp.
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small swift sp.
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swift 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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Calliope x Rufous Hummingbird (hybrid)
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Rufous/Allen's Hummingbird
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Selasphorus sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
hummingbird sp.
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rail/crake sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 | |||
curlew sp.
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Short-billed/Long-billed Dowitcher
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Red/Red-necked Phalarope
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
phalarope sp.
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Lesser/Greater Yellowlegs
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Tringa sp.
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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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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Scolopacidae sp.
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large shorebird sp.
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shorebird sp.
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jaeger sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Laughing/Franklin's Gull
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Herring/Lesser Black-backed Gull
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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 | |||
white-winged gull sp.
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Larus sp.
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gull sp.
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Forster's/Common Tern
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Sterna sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
tern sp.
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gull/tern sp.
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Arctic/Pacific Loon
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loon 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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Yellow-crowned/Black-crowned Night Heron
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
heron sp.
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white egret sp.
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Glossy x White-faced Ibis (hybrid)
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Glossy/White-faced Ibis
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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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Cooper's Hawk/American Goshawk
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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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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 | |||
screech-owl 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 x Red-naped Sapsucker (hybrid)
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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 | |||
Golden-fronted x Red-bellied Woodpecker (hybrid)
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Golden-fronted/Red-bellied Woodpecker
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Melanerpes sp.
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Downy/Ladder-backed Woodpecker
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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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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 | |||
large parakeet sp. (former Aratinga sp.)
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parrot sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Western/Eastern Wood-Pewee
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pewee sp. (Contopus sp.)
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Alder/Willow Flycatcher (Traill's Flycatcher)
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Hammond's/Dusky Flycatcher
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Gray/Dusky Flycatcher
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Empidonax sp.
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Black x Eastern Phoebe (hybrid)
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phoebe sp.
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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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Tyrannus 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/Blue-headed Vireo
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Cassin's/Plumbeous Vireo
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solitary vireo sp.
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Philadelphia/Warbling 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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jay sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
raven sp.
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crow/raven sp.
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corvid sp.
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Black-capped x Mountain Chickadee (hybrid)
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Black-capped/Mountain Chickadee
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chickadee sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Bridled/Juniper Titmouse
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Tree/Violet-green Swallow
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Tachycineta sp.
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Cliff/Cave Swallow
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
swallow sp.
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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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Sedge/Marsh Wren
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wren sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Brown/Long-billed Thrasher
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Curve-billed/Bendire's Thrasher
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Toxostoma sp.
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mimid sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
bluebird 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 | |||
pipit sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
rosy-finch sp.
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Purple/Cassin's Finch
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Haemorhous sp.
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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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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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Dark-eyed x Yellow-eyed Junco (hybrid)
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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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White-crowned x Harris's Sparrow (hybrid)
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White-crowned/White-throated Sparrow
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Zonotrichia sp.
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Ammospiza sp.
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Grasshopper/Baird's Sparrow
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Lincoln's/Swamp Sparrow
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Green-tailed x Spotted Towhee (hybrid)
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Spotted x Eastern Towhee (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
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 x Eastern Meadowlark (hybrid)
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Western/Eastern Meadowlark
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Western/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 | |||
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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Bronzed/Brown-headed Cowbird
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Rusty/Brewer's Blackbird
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
grackle sp.
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blackbird sp.
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Louisiana/Northern Waterthrush
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Golden-winged x Blue-winged Warbler (hybrid)
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Brewster's Warbler (hybrid)
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Lawrence's Warbler (hybrid)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Leiothlypis sp.
|
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MacGillivray's x Mourning Warbler (hybrid)
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MacGillivray's/Mourning Warbler
|
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Bay-breasted/Blackpoll Warbler
|
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Yellow x Black-throated Blue Warbler (hybrid)
|
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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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Townsend's/Hermit Warbler
|
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Setophaga sp.
|
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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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Western x Flame-colored Tanager (hybrid)
|
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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 x Pyrrhuloxia (hybrid)
|
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Northern Cardinal/Pyrrhuloxia
|
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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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Lazuli/Indigo Bunting
|
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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