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Bird Observations

			Date Range: Feb, 1900-2022

Boulder Reservoir complex--Boulder Reservoir

Updated ~26 hr(s) ago.

62 species (+11 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Greater White-fronted Goose
Cackling Goose
Canada Goose
Cackling/Canada Goose
Northern Shoveler
Gadwall
American Wigeon
Mallard
Northern Pintail
Canvasback
Redhead
Ring-necked Duck
Lesser Scaup
Bufflehead
Common Goldeneye
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Hooded Merganser
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
merganser sp.
duck sp.
Horned Grebe
Horned/Eared Grebe
grebe sp.
Rock Pigeon
Eurasian Collared-Dove
Virginia Rail
American Coot
Killdeer
Wilson's Snipe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ring-billed Gull
Herring Gull
Great Black-backed Gull
Lesser Black-backed Gull
California Gull
Iceland Gull
Herring/Iceland Gull
Larus sp.
gull sp.
Great Blue Heron
Golden Eagle
Northern Harrier
Bald Eagle
Red-tailed Hawk
Rough-legged Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ferruginous Hawk
Great Horned Owl
Belted Kingfisher
Northern Flicker
American Kestrel
Prairie Falcon
Northern Shrike
Blue Jay
Black-billed Magpie
American Crow
Common Raven
raven sp.
crow/raven sp.
Black-capped Chickadee
Mountain Chickadee
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Horned Lark
European Starling
Townsend's Solitaire
American Robin
House Sparrow
House Finch
American Goldfinch
American Tree Sparrow
Dark-eyed Junco
White-crowned Sparrow
Song Sparrow
Western Meadowlark
Red-winged Blackbird

KEY:| = insufficient data | = rare to widespread