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Bird Observations

			Date Range: Jan, 1900-2022

Boulder Reservoir complex--Boulder Reservoir

Updated ~33 hr(s) ago.

72 species (+19 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Ross's Goose
Cackling Goose
Canada Goose
Cackling/Canada Goose
Tundra Swan
Northern Shoveler
Gadwall
American Wigeon
Mallard
dabbling duck sp.
Redhead
Ring-necked Duck
Greater/Lesser Scaup
Aythya sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bufflehead
Common Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
merganser sp.
Ruddy Duck
duck sp.
Pied-billed Grebe
Rock Pigeon
Eurasian Collared-Dove
Mourning Dove
pigeon/dove sp.
American Coot
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Killdeer
Wilson's Snipe
Ring-billed Gull
Herring Gull
Glaucous Gull
Lesser Black-backed Gull
California Gull
Iceland Gull
Herring/Iceland Gull
Larus sp.
gull sp.
American White Pelican
Great Blue Heron
Golden Eagle
Northern Harrier
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cooper's Hawk
American Goshawk
Bald Eagle
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Buteo sp.
Buteo/eagle sp.
hawk sp.
eagle sp.
Snowy Owl
Great Horned Owl
Short-eared Owl
owl sp.
Belted Kingfisher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Downy Woodpecker
Northern Flicker
American Kestrel
Merlin
Prairie Falcon
Say's Phoebe
Blue Jay
Black-billed Magpie
American Crow
Common Raven
crow/raven sp.
Black-capped Chickadee
Horned Lark
Marsh Wren
European Starling
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Townsend's Solitaire
American Robin
House Sparrow
American Pipit
House Finch
American Goldfinch
American Tree Sparrow
Dark-eyed Junco
White-crowned Sparrow
Song Sparrow
Swamp Sparrow
new world sparrow sp.
Western Meadowlark
Red-winged Blackbird
Brewer's Blackbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
blackbird sp.

KEY:| = insufficient data | = rare to widespread

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