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Bird Observations

			Date Range: Apr, 1900-2022

Larimer

Updated ~29 hr(s) ago.

303 species (+107 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Ross's Goose
Swan Goose
Greater White-fronted Goose
Domestic goose sp. (Domestic type)
Cackling Goose
Canada Goose
Cackling/Canada Goose
Snow/Ross's x Cackling/Canada Goose (hybrid)
Mute Swan
Trumpeter Swan
Trumpeter/Tundra Swan
goose sp.
Wood Duck
Blue-winged Teal
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cinnamon Teal
Blue-winged x Cinnamon Teal (hybrid)
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
Eurasian Wigeon
American Wigeon
Eurasian/American Wigeon
Mallard
Gadwall x Mallard (hybrid)
American Wigeon x Mallard (hybrid)
Mexican Duck
Mallard x Mexican Duck (hybrid)
Mallard/Mexican Duck
Northern Pintail
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Green-winged Teal
teal sp.
dabbling duck sp.
Canvasback
Redhead
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Aythya sp.
Surf Scoter
White-winged Scoter
Long-tailed Duck
Bufflehead
Common Goldeneye
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Barrow's Goldeneye
Common/Barrow's Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
Ruddy Duck
duck sp.
Northern Bobwhite
Gambel's Quail
Wild Turkey
Dusky Grouse
White-tailed Ptarmigan
Ring-necked Pheasant
Chukar
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Horned/Eared Grebe
Western Grebe
Clark's Grebe
Western x Clark's Grebe (hybrid)
Western/Clark's Grebe
grebe sp.
Rock Pigeon
Band-tailed Pigeon
Eurasian Collared-Dove
White-winged Dove
Mourning Dove
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
pigeon/dove sp.
Common Poorwill
Chimney Swift
White-throated Swift
large swift sp.
Black-chinned Hummingbird
Anna's Hummingbird
Broad-tailed Hummingbird
Selasphorus sp.
hummingbird sp.
Virginia Rail
Sora
Common Gallinule
American Coot
Black Rail
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sandhill Crane
Black-necked Stilt
American Avocet
Black-bellied Plover
Killdeer
Semipalmated Plover
Mountain Plover
Snowy Plover
plover sp.
Upland Sandpiper
Whimbrel
Long-billed Curlew
Marbled Godwit
godwit sp.
Long-billed Dowitcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Short-billed/Long-billed Dowitcher
Wilson's Snipe
Wilson's Phalarope
Red-necked Phalarope
phalarope sp.
Spotted Sandpiper
Solitary Sandpiper
Lesser Yellowlegs
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Stilt Sandpiper
Sanderling
Dunlin
Baird's Sandpiper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Least Sandpiper
Pectoral Sandpiper
Western Sandpiper
Semipalmated Sandpiper
Western/Semipalmated Sandpiper
peep sp.
Calidris sp.
Scolopacidae sp.
shorebird sp.
Bonaparte's Gull
Laughing Gull
Franklin's Gull
Short-billed Gull
Ring-billed Gull
Herring Gull
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Great Black-backed Gull
Glaucous Gull
Herring x Glaucous Gull (hybrid)
Lesser Black-backed Gull
California Gull
Glaucous-winged Gull
Herring x Glaucous-winged Gull (hybrid)
Herring/Glaucous-winged Gull
Slaty-backed Gull
Iceland Gull
Herring/Iceland Gull
Larus sp.
gull sp.
Caspian Tern
Forster's Tern
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Forster's/Common Tern
tern sp.
Red-throated Loon
Common Loon
loon sp.
Double-crested Cormorant
Neotropic Cormorant
Double-crested/Neotropic Cormorant
American White Pelican
American Bittern
Yellow-crowned Night Heron
Black-crowned Night Heron
Snowy Egret
Green Heron
Western Cattle Egret
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Great Egret
Great Blue Heron
white egret sp.
Glossy Ibis
White-faced Ibis
Glossy/White-faced Ibis
ibis sp.
Turkey Vulture
Osprey
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
American Goshawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Accipiter sp.
Bald Eagle
Golden/Bald Eagle
Broad-winged Hawk
Swainson's Hawk
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Buteo sp.
hawk sp.
eagle sp.
Barn Owl
Flammulated Owl
Eastern Screech-Owl
Great Horned Owl
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Northern Pygmy-Owl
Burrowing Owl
Long-eared Owl
Short-eared Owl
Boreal Owl
Northern Saw-whet Owl
owl sp.
Belted Kingfisher
Williamson's Sapsucker
Yellow-bellied Sapsucker
Red-naped Sapsucker
Yellow-bellied/Red-naped Sapsucker
sapsucker sp.
Lewis's Woodpecker
American Three-toed Woodpecker
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Downy Woodpecker
Hairy Woodpecker
Downy/Hairy Woodpecker
Northern Flicker
woodpecker sp.
American Kestrel
Merlin
Peregrine Falcon
Prairie Falcon
large falcon sp.
small falcon sp.
falcon sp.
diurnal raptor sp.
Hammond's Flycatcher
Gray Flycatcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Dusky Flycatcher
Gray/Dusky Flycatcher
Empidonax sp.
Black Phoebe
Eastern Phoebe
Black x Eastern Phoebe (hybrid)
Say's Phoebe
phoebe sp.
Vermilion Flycatcher
Cassin's Kingbird
Western Kingbird
Eastern Kingbird
Scissor-tailed Flycatcher
new world flycatcher sp.
Cassin's Vireo
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Blue-headed Vireo
Cassin's/Blue-headed Vireo
Plumbeous Vireo
Warbling Vireo
Loggerhead Shrike
Northern Shrike
Loggerhead/Northern Shrike
shrike sp.
Canada Jay
Pinyon Jay
Steller's Jay
Blue Jay
Woodhouse's Scrub-Jay
jay sp.
Black-billed Magpie
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Clark's Nutcracker
American Crow
Chihuahuan Raven
Common Raven
raven sp.
crow/raven sp.
Black-capped Chickadee
Mountain Chickadee
Black-capped/Mountain Chickadee
chickadee sp.
Horned Lark
Bank Swallow
Tree Swallow
Violet-green Swallow
Tree/Violet-green Swallow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Bushtit
Ruby-crowned Kinglet
Golden-crowned Kinglet
Ruby-crowned/Golden-crowned Kinglet
White-breasted Nuthatch
Pygmy Nuthatch
Red-breasted Nuthatch
nuthatch sp.
Brown Creeper
Blue-gray Gnatcatcher
Rock Wren
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Canyon Wren
House Wren
Winter Wren
Marsh Wren
Bewick's Wren
wren sp.
American Dipper
European Starling
Gray Catbird
Curve-billed Thrasher
Brown Thrasher
Sage Thrasher
Northern Mockingbird
Eastern Bluebird
Western Bluebird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mountain Bluebird
bluebird sp.
Townsend's Solitaire
Varied Thrush
Swainson's Thrush
Hermit Thrush
Catharus sp.
American Robin
thrush sp.
Bohemian Waxwing
Cedar Waxwing
Bohemian/Cedar Waxwing
House Sparrow
American Pipit
Sprague's Pipit
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Evening Grosbeak
Pine Grosbeak
Gray-crowned Rosy-Finch
Black Rosy-Finch
Brown-capped Rosy-Finch
rosy-finch sp.
House Finch
Cassin's Finch
Haemorhous sp.
Common Redpoll
Red Crossbill
White-winged Crossbill
European Goldfinch
Pine Siskin
Lesser Goldfinch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Goldfinch
new world goldfinch sp.
finch sp.
Lapland Longspur
Chestnut-collared Longspur
Thick-billed Longspur
longspur sp.
Grasshopper Sparrow
Chipping Sparrow
Clay-colored Sparrow
Chipping x Clay-colored Sparrow (hybrid)
Field Sparrow
Brewer's Sparrow
Spizella sp.
Lark Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lark Bunting
American Tree Sparrow
Spizella sp./American Tree Sparrow
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
Harris's Sparrow
White-throated Sparrow
Sagebrush Sparrow
Vesper Sparrow
LeConte's Sparrow
Savannah Sparrow
Grasshopper/Baird's Sparrow
Song Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lincoln's Sparrow
Swamp Sparrow
Green-tailed Towhee
Spotted Towhee
Spotted/Eastern Towhee (Rufous-sided Towhee)
new world sparrow sp.
Yellow-breasted Chat
Yellow-headed Blackbird
Bobolink
Western Meadowlark
Eastern Meadowlark
Sturnella meadowlark sp.
Bullock's Oriole
Red-winged Blackbird
Brown-headed Cowbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rusty Blackbird
Brewer's Blackbird
Rusty/Brewer's Blackbird
Common Grackle
Great-tailed Grackle
grackle sp.
blackbird sp.
Worm-eating Warbler
Louisiana Waterthrush
Louisiana/Northern Waterthrush
Black-and-white Warbler
Prothonotary Warbler
Tennessee Warbler
Orange-crowned Warbler
Virginia's Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
MacGillivray's Warbler
Common Yellowthroat
Northern Parula
Yellow Warbler
Palm Warbler
Pine Warbler
Yellow-rumped Warbler
Yellow-throated Warbler
Black-throated Gray Warbler
Townsend's Warbler
Setophaga sp.
Wilson's Warbler
new world warbler sp.
Summer Tanager
Western Tanager
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black-headed Grosbeak
Lazuli Bunting
Indigo Bunting
passerine sp.
bird sp.

KEY:| = insufficient data | = rare to widespread

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