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Bird Observations

			Date Range: Jan-Dec, 1900-2024

Guanella Pass (Clear Creek Co.; intended for tundra/krummholz)

Updated ~37 hr(s) ago.

127 species (+12 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Canada Goose
Blue-winged Teal
Northern Shoveler
Mallard
Green-winged Teal
Ring-necked Duck
Common Goldeneye
Common Merganser
Dusky Grouse
White-tailed Ptarmigan
Rock Pigeon
Band-tailed Pigeon
Mourning Dove
White-throated Swift
Calliope Hummingbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rufous Hummingbird
Broad-tailed Hummingbird
hummingbird sp.
American Coot
Killdeer
Wilson's Snipe
Spotted Sandpiper
Ring-billed Gull
American White Pelican
Great Blue Heron
Turkey Vulture
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Goshawk
Accipiter sp.
Bald Eagle
Swainson's Hawk
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Great Horned Owl
Northern Pygmy-Owl
Belted Kingfisher
Red-naped Sapsucker
American Three-toed Woodpecker
Hairy Woodpecker
Northern Flicker
American Kestrel
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Peregrine Falcon
Prairie Falcon
falcon sp.
Olive-sided Flycatcher
Western Wood-Pewee
Hammond's Flycatcher
Dusky Flycatcher
Western Flycatcher
Empidonax sp.
Plumbeous Vireo
Warbling Vireo
Northern Shrike
Canada Jay
Steller's Jay
Woodhouse's Scrub-Jay
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black-billed Magpie
Clark's Nutcracker
American Crow
Common Raven
Black-capped Chickadee
Mountain Chickadee
Black-capped/Mountain Chickadee
Horned Lark
Tree Swallow
Violet-green Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Ruby-crowned Kinglet
Golden-crowned Kinglet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
White-breasted Nuthatch
Pygmy Nuthatch
Red-breasted Nuthatch
Brown Creeper
Rock Wren
House Wren
American Dipper
European Starling
Sage Thrasher
Western Bluebird
Mountain Bluebird
Townsend's Solitaire
Swainson's Thrush
Hermit Thrush
American Robin
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bohemian Waxwing
House Sparrow
American Pipit
Evening Grosbeak
Pine Grosbeak
Gray-crowned Rosy-Finch
Black Rosy-Finch
Brown-capped Rosy-Finch
rosy-finch sp.
House Finch
Cassin's Finch
Red Crossbill
White-winged Crossbill
Pine Siskin
Lesser Goldfinch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Goldfinch
finch sp.
Chestnut-collared Longspur
Chipping Sparrow
Brewer's Sparrow
Lark Sparrow
Lark Bunting
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Harris's Sparrow
Vesper Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Green-tailed Towhee
new world sparrow sp.
Western Meadowlark
Red-winged Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Common Grackle
blackbird sp.
Orange-crowned Warbler
Virginia's Warbler
MacGillivray's Warbler
Yellow Warbler
Yellow-rumped Warbler
Townsend's Warbler
Wilson's Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
new world warbler sp.
Western Tanager
Black-headed Grosbeak
passerine sp.

KEY:| = insufficient data | = rare to widespread

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