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Bird Observations

			Date Range: Jan, 1900-2020

Denver

Updated ~38 hr(s) ago.

131 species (+44 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Ross's Goose
Snow/Ross's Goose
Graylag Goose
Graylag x Swan Goose (hybrid)
Greater White-fronted Goose
Domestic goose sp. (Domestic type)
Cackling Goose
Snow x Cackling Goose (hybrid)
Ross's x Cackling Goose (hybrid)
Canada Goose
Swan Goose x Canada Goose (hybrid)
Snow x Canada Goose (hybrid)
Cackling/Canada Goose
Snow/Ross's x Cackling/Canada Goose (hybrid)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Trumpeter/Tundra Swan
goose sp.
Wood Duck
Northern Shoveler
Gadwall
American Wigeon
Mallard
Gadwall x Mallard (hybrid)
Mallard/Mexican Duck
Northern Pintail
Green-winged Teal
teal sp.
dabbling duck sp.
Canvasback
Redhead
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Long-tailed Duck
Bufflehead
Common Goldeneye
Barrow's Goldeneye
Common/Barrow's Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
Ruddy Duck
duck sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Wild Turkey
Ring-necked Pheasant
Pied-billed Grebe
Rock Pigeon
Eurasian Collared-Dove
Mourning Dove
pigeon/dove sp.
Virginia Rail
American Coot
Killdeer
Wilson's Snipe
Greater Yellowlegs
Short-billed Gull
Ring-billed Gull
Herring Gull
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Glaucous Gull
Lesser Black-backed Gull
California Gull
Iceland Gull
Larus sp.
gull sp.
Double-crested Cormorant
Black-crowned Night Heron
Great Blue Heron
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
American Goshawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Accipiter sp.
Bald Eagle
Golden/Bald Eagle
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Buteo sp.
Buteo/eagle sp.
hawk sp.
eagle sp.
Barn Owl
Eastern Screech-Owl
Great Horned Owl
Long-eared Owl
Short-eared Owl
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Belted Kingfisher
Yellow-bellied Sapsucker
Yellow-bellied/Red-naped Sapsucker
Downy Woodpecker
Hairy Woodpecker
Downy/Hairy Woodpecker
Northern Flicker
American Kestrel
Merlin
Peregrine Falcon
Prairie Falcon
small falcon sp.
falcon sp.
diurnal raptor sp.
Say's Phoebe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Northern Shrike
Steller's Jay
Blue Jay
Woodhouse's Scrub-Jay
Black-billed Magpie
American Crow
Common Raven
raven sp.
Black-capped Chickadee
Mountain Chickadee
Black-capped/Mountain Chickadee
chickadee sp.
Horned Lark
Bushtit
Ruby-crowned Kinglet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Golden-crowned Kinglet
White-breasted Nuthatch
Pygmy Nuthatch
Red-breasted Nuthatch
nuthatch sp.
Brown Creeper
Winter Wren
Marsh Wren
Carolina Wren
American Dipper
European Starling
Gray Catbird
Curve-billed Thrasher
Northern Mockingbird
Eastern Bluebird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Bluebird
Townsend's Solitaire
Hermit Thrush
American Robin
Bohemian Waxwing
Cedar Waxwing
House Sparrow
American Pipit
Evening Grosbeak
House Finch
Cassin's Finch
Pine Siskin
Lesser Goldfinch
American Goldfinch
new world goldfinch sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lapland Longspur
American Tree Sparrow
Dark-eyed Junco
White-crowned Sparrow
Harris's Sparrow
Song Sparrow
Swamp Sparrow
Green-tailed Towhee
Spotted Towhee
new world sparrow sp.
Yellow-headed Blackbird
Western Meadowlark
Red-winged Blackbird
Brown-headed Cowbird
Rusty Blackbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brewer's Blackbird
Rusty/Brewer's Blackbird
Common Grackle
Great-tailed Grackle
blackbird sp.
Tennessee Warbler
Yellow-rumped Warbler
new world warbler sp.
Northern Cardinal
passerine sp.

KEY:| = insufficient data | = rare to widespread

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