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Bird Observations

			Date Range: May, 1900-2022

Boulder Reservoir complex--Boulder Reservoir

Updated ~28 hr(s) ago.

151 species (+28 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Canada Goose
Wood Duck
Blue-winged Teal
Cinnamon Teal
Blue-winged x Cinnamon Teal (hybrid)
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
Mexican Duck
Northern Pintail
Green-winged Teal
teal sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
dabbling duck sp.
Redhead
Ring-necked Duck
Lesser Scaup
Bufflehead
Common Merganser
Red-breasted Merganser
Ruddy Duck
duck sp.
Pied-billed Grebe
Horned Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
grebe sp.
Rock Pigeon
Eurasian Collared-Dove
White-winged Dove
Mourning Dove
Common Nighthawk
Broad-tailed Hummingbird
Virginia Rail
Sora
American Coot
rail/crake sp.
American Avocet
Killdeer
Semipalmated Plover
Snowy Plover
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Whimbrel
Long-billed Curlew
Marbled Godwit
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Wilson's Snipe
Wilson's Phalarope
Red-necked Phalarope
Spotted Sandpiper
Solitary Sandpiper
Lesser Yellowlegs
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Ruddy Turnstone
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ruff
Sanderling
Baird's Sandpiper
Least Sandpiper
Western Sandpiper
Semipalmated Sandpiper
peep sp.
shorebird sp.
Franklin's Gull
Ring-billed Gull
California Gull
Larus sp.
Forster's Tern
Red-throated Loon
Double-crested Cormorant
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American White Pelican
American Bittern
Great Egret
Great Blue Heron
Glossy Ibis
White-faced Ibis
Glossy/White-faced Ibis
Turkey Vulture
Osprey
Golden Eagle
Northern Harrier
Bald Eagle
Swainson's Hawk
Red-tailed Hawk
Ferruginous Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Buteo sp.
eagle sp.
Great Horned Owl
Belted Kingfisher
Downy Woodpecker
Northern Flicker
American Kestrel
Merlin
Peregrine Falcon
Prairie Falcon
Western Wood-Pewee
Black Phoebe
Say's Phoebe
Western Kingbird
Eastern Kingbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Loggerhead Shrike
Blue Jay
Black-billed Magpie
American Crow
Common Raven
Black-capped Chickadee
Horned Lark
Bank Swallow
Tree Swallow
Violet-green Swallow
Tree/Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Blue-gray Gnatcatcher
House Wren
Marsh Wren
European Starling
Sage Thrasher
Northern Mockingbird
Eastern Bluebird
Western Bluebird
Mountain Bluebird
bluebird sp.
Townsend's Solitaire
American Robin
House Sparrow
American Pipit
pipit sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
House Finch
Cassin's Finch
Pine Siskin
American Goldfinch
Thick-billed Longspur
Grasshopper Sparrow
Chipping Sparrow
Clay-colored Sparrow
Brewer's Sparrow
Spizella sp.
Lark Sparrow
Lark Bunting
Dark-eyed Junco
White-crowned Sparrow
Vesper Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Green-tailed Towhee
Spotted Towhee
new world sparrow sp.
Yellow-headed Blackbird
Western Meadowlark
Bullock's Oriole
Bullock's/Baltimore Oriole
Red-winged Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Common Grackle
Great-tailed Grackle
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
grackle sp.
blackbird sp.
Worm-eating Warbler
Orange-crowned Warbler
Common Yellowthroat
Yellow Warbler
Yellow-rumped Warbler
Townsend's Warbler
Wilson's Warbler
new world warbler sp.
tanager sp. (Piranga sp.)
Blue Grosbeak
Indigo Bunting
passerine sp.

KEY:| = insufficient data | = rare to widespread

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