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Bird Observations

			Date Range: Jul, 1900-2022

Boulder Reservoir complex--Boulder Reservoir

Updated ~32 hr(s) ago.

85 species (+8 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Canada Goose
Wood Duck
American Wigeon
Mallard
Ring-necked Duck
Eared Grebe
Western Grebe
Clark's Grebe
Rock Pigeon
Eurasian Collared-Dove
Mourning Dove
Common Nighthawk
nighthawk sp.
Broad-tailed Hummingbird
Virginia Rail
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sora
American Coot
rail/crake sp.
Killdeer
Wilson's Snipe
Spotted Sandpiper
Franklin's Gull
Ring-billed Gull
California Gull
Double-crested Cormorant
American White Pelican
American Bittern
Black-crowned Night Heron
Great Egret
Great Blue Heron
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Turkey Vulture
Osprey
Northern Harrier
Swainson's Hawk
Red-tailed Hawk
Buteo sp.
hawk sp.
Great Horned Owl
Belted Kingfisher
Downy Woodpecker
Northern Flicker
American Kestrel
Prairie Falcon
falcon sp.
Say's Phoebe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Kingbird
Eastern Kingbird
Warbling Vireo
Red-eyed Vireo
Blue Jay
Black-billed Magpie
American Crow
Common Raven
Black-capped Chickadee
Horned Lark
Bank Swallow
Tree Swallow
Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cliff Swallow
swallow sp.
White-breasted Nuthatch
House Wren
European Starling
Brown Thrasher
American Robin
Cedar Waxwing
House Finch
Cassin's Finch
Lesser Goldfinch
American Goldfinch
Chipping Sparrow
Lark Sparrow
Lark Bunting
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Vesper Sparrow
Savannah Sparrow
Song Sparrow
Spotted Towhee
Yellow-headed Blackbird
Western Meadowlark
Bullock's Oriole
Red-winged Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Common Grackle
blackbird sp.
Common Yellowthroat
Yellow Warbler
Blue Grosbeak
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lazuli Bunting
Dickcissel
passerine sp.

KEY:| = insufficient data | = rare to widespread

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