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Bird Observations

			Date Range: Dec, 1900-2023

Arvada Blunn Reservoir

Updated ~26 hr(s) ago.

61 species (+7 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cackling Goose
Canada Goose
Cackling/Canada Goose
Tundra Swan
Northern Shoveler
Gadwall
American Wigeon
Mallard
Green-winged Teal
Redhead
Ring-necked Duck
Lesser Scaup
Greater/Lesser Scaup
Bufflehead
Common Goldeneye
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Barrow's Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
Ruddy Duck
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Western Grebe
Rock Pigeon
Eurasian Collared-Dove
Mourning Dove
American Coot
Wilson's Snipe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ring-billed Gull
Herring Gull
Lesser Black-backed Gull
California Gull
Iceland Gull
Larus sp.
gull sp.
Common Loon
Great Blue Heron
Northern Harrier
Sharp-shinned Hawk
Bald Eagle
Red-tailed Hawk
Great Horned Owl
Belted Kingfisher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Downy Woodpecker
Northern Flicker
American Kestrel
Prairie Falcon
Blue Jay
Black-billed Magpie
American Crow
Common Raven
Black-capped Chickadee
Bushtit
European Starling
Hermit Thrush
American Robin
House Finch
American Goldfinch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Tree Sparrow
Dark-eyed Junco
White-crowned Sparrow
Song Sparrow
new world sparrow sp.
Western Meadowlark
Sturnella meadowlark sp.
Red-winged Blackbird

KEY:| = insufficient data | = rare to widespread