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Bird Observations

Date Range:
Jan-Dec, 1900-2023

St. Vrain Greenway

Updated ~17 hr(s) ago.

175 species (+24 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snow Goose
Ross's Goose
Greater White-fronted Goose
Cackling Goose
Canada Goose
Cackling/Canada Goose
Wood Duck
Blue-winged Teal
Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
Northern Pintail
Green-winged Teal
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
teal sp.
Canvasback
Redhead
Ring-necked Duck
Lesser Scaup
Bufflehead
Common Goldeneye
Barrow's Goldeneye
Hooded Merganser
Common Merganser
duck sp.
Northern Bobwhite
Wild Turkey
Pied-billed Grebe
Eared Grebe
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Rock Pigeon
Eurasian Collared-Dove
White-winged Dove
Mourning Dove
Common Nighthawk
Chimney Swift
White-throated Swift
Broad-tailed Hummingbird
Virginia Rail
Sora
American Coot
Sandhill Crane
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
American Avocet
Killdeer
plover sp.
Semipalmated Sandpiper
Long-billed Dowitcher
Wilson's Snipe
Wilson's Phalarope
Spotted Sandpiper
Solitary Sandpiper
Greater Yellowlegs
Lesser Yellowlegs
Greater/Lesser Yellowlegs
Franklin's Gull
Ring-billed Gull
California Gull
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Iceland Gull
gull sp.
Caspian Tern
Forster's Tern
Common Loon
Double-crested Cormorant
American White Pelican
Great Blue Heron
Great Egret
Snowy Egret
Little Blue Heron
Green Heron
Black-crowned Night-Heron
Turkey Vulture
Osprey
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Bald Eagle
Swainson's Hawk
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
hawk sp.
eagle sp.
Great Horned Owl
Belted Kingfisher
Downy Woodpecker
Hairy Woodpecker
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Downy/Hairy Woodpecker
Northern Flicker
woodpecker sp.
American Kestrel
Merlin
Prairie Falcon
diurnal raptor sp.
Western Wood-Pewee
Dusky Flycatcher
Cordilleran Flycatcher
Empidonax sp.
Say's Phoebe
Western Kingbird
Eastern Kingbird
Cassin's Vireo
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Plumbeous Vireo
Warbling Vireo
Red-eyed Vireo
Loggerhead Shrike
Northern Shrike
Steller's Jay
Blue Jay
Black-billed Magpie
American Crow
Common Raven
Black-capped Chickadee
Mountain Chickadee
Black-capped/Mountain Chickadee
chickadee sp.
Horned Lark
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Northern Rough-winged Swallow
Tree Swallow
Violet-green Swallow
Bank Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Bushtit
Ruby-crowned Kinglet
Red-breasted Nuthatch
White-breasted Nuthatch
Brown Creeper
Canyon Wren
House Wren
Marsh Wren
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
wren sp.
American Dipper
European Starling
Gray Catbird
Sage Thrasher
Northern Mockingbird
Mountain Bluebird
Townsend's Solitaire
Swainson's Thrush
Hermit Thrush
Catharus sp.
American Robin
Cedar Waxwing
House Sparrow
American Pipit
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
House Finch
Pine Siskin
Lesser Goldfinch
American Goldfinch
Chipping Sparrow
Clay-colored Sparrow
Brewer's Sparrow
Spizella sp.
Lark Sparrow
Lark Bunting
American Tree Sparrow
Spizella sp./American Tree Sparrow
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
Swamp Sparrow
Green-tailed Towhee
Spotted Towhee
new world sparrow sp.
Yellow-breasted Chat
Yellow-headed Blackbird
Western Meadowlark
Orchard Oriole
Bullock's Oriole
Baltimore Oriole
Bullock's/Baltimore Oriole
Red-winged Blackbird
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Brown-headed Cowbird
Brewer's Blackbird
Common Grackle
blackbird sp.
Orange-crowned Warbler
Nashville Warbler
Common Yellowthroat
Yellow Warbler
Blackpoll Warbler
Palm Warbler
Yellow-rumped Warbler
Black-throated Gray Warbler
Wilson's Warbler
Western Tanager
Rose-breasted Grosbeak
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting
passerine sp.

KEY:| = insufficient data | = rare to widespread

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