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Bird Observations

Date Range:
Jan-Dec, 1900-2022

Arapahoe

Updated ~35 hr(s) ago.

381 species (+163 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snow Goose
Ross's Goose
Snow x Ross's Goose (hybrid)
Snow/Ross's Goose
Greater White-fronted Goose
Domestic goose sp. (Domestic type)
Brant
Barnacle Goose
Cackling Goose
Snow x Cackling Goose (hybrid)
Ross's x Cackling Goose (hybrid)
Greater White-fronted x Cackling Goose (hybrid)
Canada Goose
Greater White-fronted x Canada Goose (hybrid)
Snow x Canada Goose (hybrid)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Ross's x Canada Goose (hybrid)
Cackling/Canada Goose
Snow/Ross's x Cackling/Canada Goose (hybrid)
Branta sp.
Mute Swan
Black Swan
Trumpeter Swan
Tundra Swan
Trumpeter/Tundra Swan
swan sp.
goose sp.
Ruddy Shelduck
Muscovy Duck
Wood Duck
Mandarin Duck
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Blue-winged Teal
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
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mallard x Mottled Duck (hybrid)
Mallard x Mexican/Mottled Duck (hybrid)
Northern Pintail
Mallard x Northern Pintail (hybrid)
Green-winged Teal
teal sp.
dabbling duck sp.
Canvasback
Redhead
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Aythya sp.
Surf Scoter
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
White-winged Scoter
Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Barrow's Goldeneye
Common x Barrow's Goldeneye (hybrid)
Common/Barrow's Goldeneye
Hooded Merganser
Common Goldeneye x Hooded Merganser (hybrid)
goldeneye sp. x Hooded Merganser (hybrid)
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Ruddy Duck
duck sp.
Northern Bobwhite
Wild Turkey
Ring-necked Pheasant
Indian Peafowl
pheasant sp.
Red Junglefowl
Chukar
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Horned/Eared Grebe
Western Grebe
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Clark's Grebe
Western x Clark's Grebe (hybrid)
Western/Clark's Grebe
grebe sp.
Rock Pigeon
Band-tailed Pigeon
Eurasian Collared-Dove
African Collared-Dove
Eurasian/African Collared-Dove
White-winged Dove
Mourning Dove
pigeon/dove sp.
Yellow-billed Cuckoo
Black-billed Cuckoo
Common Nighthawk
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
nighthawk sp.
Common Poorwill
Chimney Swift
White-throated Swift
swift sp.
Black-chinned Hummingbird
Ruby-throated/Black-chinned Hummingbird
Anna's Hummingbird
Calliope Hummingbird
Rufous Hummingbird
Broad-tailed Hummingbird
Selasphorus sp.
hummingbird sp.
Virginia Rail
Sora
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
American Coot
rail/crake sp.
Sandhill Crane
Black-necked Stilt
American Avocet
Black-bellied Plover
American Golden-Plover
Black-bellied Plover/golden-plover sp.
Killdeer
Semipalmated Plover
Piping Plover
Mountain Plover
Upland Sandpiper
Whimbrel
Long-billed Curlew
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hudsonian Godwit
Marbled Godwit
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Wilson's Snipe
Wilson's Phalarope
Red Phalarope
Red-necked Phalarope
Red/Red-necked Phalarope
phalarope sp.
Spotted Sandpiper
Solitary Sandpiper
Lesser Yellowlegs
Willet
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Greater Yellowlegs
Lesser/Greater Yellowlegs
Ruddy Turnstone
Red Knot
Stilt Sandpiper
Buff-breasted Sandpiper
Sanderling
Dunlin
Baird's Sandpiper
White-rumped Sandpiper
Least Sandpiper
Pectoral Sandpiper
Western Sandpiper
Semipalmated Sandpiper
Western/Semipalmated Sandpiper
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
peep sp.
large shorebird sp.
shorebird sp.
Long-tailed Jaeger
Parasitic Jaeger
Long-tailed/Parasitic Jaeger
Pomarine Jaeger
jaeger sp.
Little Gull
Ross's Gull
Black-legged Kittiwake
Sabine's Gull
Bonaparte's Gull
Black-headed Gull
Laughing Gull
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Franklin's Gull
Short-billed Gull
Ring-billed Gull
Laughing x Ring-billed Gull (hybrid)
Herring Gull
Great Black-backed Gull
Glaucous Gull
Herring x Glaucous Gull (hybrid)
Lesser Black-backed Gull
Herring x Lesser Black-backed Gull (hybrid)
California Gull
Glaucous-winged Gull
Herring x Glaucous-winged Gull (hybrid)
Glaucous x Glaucous-winged Gull (hybrid)
Herring/Glaucous-winged Gull
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Slaty-backed Gull
Iceland Gull
Herring/Iceland Gull
Larus sp.
gull sp.
Least Tern
Caspian Tern
Black Tern
Forster's Tern
Arctic Tern
Common Tern
Forster's/Common Tern
Common/Arctic Tern
Sterna sp.
tern sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Red-throated Loon
Arctic Loon
Pacific Loon
Common Loon
Yellow-billed Loon
Common/Yellow-billed Loon
loon sp.
Magnificent Frigatebird
Double-crested Cormorant
Neotropic Cormorant
Double-crested x Neotropic Cormorant (hybrid)
Double-crested/Neotropic Cormorant
cormorant sp.
American White Pelican
Brown Pelican
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
American Bittern
Least Bittern
Yellow-crowned Night Heron
Black-crowned Night Heron
Yellow-crowned/Black-crowned Night Heron
Little Blue Heron
Tricolored Heron
Snowy Egret
Green Heron
Western Cattle Egret
Great Egret
Great Blue Heron
heron sp.
white egret sp.
White Ibis
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Glossy Ibis
White-faced Ibis
Glossy/White-faced Ibis
Turkey Vulture
Osprey
Golden Eagle
Mississippi Kite
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
American Goshawk
Cooper's Hawk/American Goshawk
Accipiter sp.
Bald Eagle
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Golden/Bald Eagle
Red-shouldered Hawk
Broad-winged Hawk
Swainson's Hawk
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Buteo sp.
Buteo/eagle sp.
hawk sp.
eagle sp.
Barn Owl
Western Screech-Owl
Eastern Screech-Owl
Snowy Owl
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Great Horned Owl
Burrowing Owl
Long-eared Owl
Short-eared Owl
Long-eared/Short-eared Owl
owl sp.
Belted Kingfisher
Yellow-bellied Sapsucker
Red-naped Sapsucker
Yellow-bellied/Red-naped Sapsucker
Lewis's Woodpecker
Red-headed Woodpecker
Red-bellied Woodpecker
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
Peregrine Falcon
Prairie Falcon
large falcon sp.
small falcon sp.
falcon sp.
diurnal raptor sp.
parakeet sp.
Olive-sided Flycatcher
Western Wood-Pewee
Western/Eastern Wood-Pewee
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
pewee sp. (Contopus sp.)
Alder Flycatcher
Willow Flycatcher
Alder/Willow Flycatcher (Traill's Flycatcher)
Least Flycatcher
Hammond's Flycatcher
Gray Flycatcher
Dusky Flycatcher
Hammond's/Dusky Flycatcher
Gray/Dusky Flycatcher
Western Flycatcher
Empidonax sp.
Black Phoebe
Eastern Phoebe
Black x Eastern Phoebe (hybrid)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Say's Phoebe
phoebe sp.
Vermilion Flycatcher
Ash-throated Flycatcher
Great Crested Flycatcher
Myiarchus sp.
Cassin's Kingbird
Western Kingbird
Cassin's/Western Kingbird
yellow-bellied kingbird sp.
Eastern Kingbird
Scissor-tailed Flycatcher
Tyrannus sp.
new world flycatcher sp.
White-eyed Vireo
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Yellow-throated Vireo
Cassin's Vireo
Blue-headed Vireo
Cassin's/Blue-headed Vireo
Plumbeous Vireo
solitary vireo sp.
Philadelphia Vireo
Warbling Vireo
Red-eyed Vireo
vireo sp.
Loggerhead Shrike
Northern Shrike
Loggerhead/Northern Shrike
Pinyon Jay
Steller's Jay
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Blue Jay
Woodhouse's Scrub-Jay
jay sp.
Black-billed Magpie
American Crow
Common Raven
raven sp.
crow/raven sp.
Black-capped Chickadee
Mountain Chickadee
Black-capped x Mountain Chickadee (hybrid)
Black-capped/Mountain Chickadee
chickadee sp.
Horned Lark
Bank Swallow
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Tree Swallow
Violet-green Swallow
Tree/Violet-green Swallow
Purple Martin
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
Cliff/Cave Swallow
swallow sp.
Bushtit
Ruby-crowned Kinglet
Golden-crowned Kinglet
Ruby-crowned/Golden-crowned Kinglet
White-breasted Nuthatch
Pygmy Nuthatch
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Red-breasted Nuthatch
nuthatch sp.
Brown Creeper
Blue-gray Gnatcatcher
Rock Wren
Canyon Wren
House Wren
Winter Wren
Pacific/Winter Wren
Sedge Wren
Marsh Wren
Carolina Wren
wren sp.
American Dipper
European Starling
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Gray Catbird
Curve-billed Thrasher
Brown Thrasher
Sage Thrasher
Northern Mockingbird
Eastern Bluebird
Western Bluebird
Mountain Bluebird
bluebird sp.
Townsend's Solitaire
Varied Thrush
Veery
Gray-cheeked Thrush
Swainson's Thrush
Hermit Thrush
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Catharus sp.
Wood Thrush
American Robin
thrush sp.
Bohemian Waxwing
Cedar Waxwing
Bohemian/Cedar Waxwing
House Sparrow
American Pipit
Sprague's Pipit
Evening Grosbeak
Gray-crowned Rosy-Finch
House Finch
Purple Finch
Cassin's Finch
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Haemorhous sp.
Common Redpoll
Red Crossbill
White-winged Crossbill
Pine Siskin
Lesser Goldfinch
American Goldfinch
new world goldfinch sp.
finch sp.
Lapland Longspur
Chestnut-collared Longspur
Thick-billed Longspur
longspur sp.
Snow Bunting
Cassin's Sparrow
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Grasshopper Sparrow
Chipping Sparrow
Clay-colored Sparrow
Field Sparrow
Brewer's Sparrow
Spizella sp.
Black-throated Sparrow
Lark Sparrow
Lark Bunting
American Tree Sparrow
Spizella sp./American Tree Sparrow
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Harris's Sparrow
White-throated Sparrow
Zonotrichia sp.
Sagebrush Sparrow
Vesper Sparrow
LeConte's Sparrow
Nelson's Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
Canyon Towhee
Rufous-crowned Sparrow
Green-tailed Towhee
Spotted Towhee
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Eastern Towhee
Spotted/Eastern Towhee (Rufous-sided Towhee)
towhee sp.
new world sparrow sp.
Yellow-breasted Chat
Yellow-headed Blackbird
Bobolink
Western Meadowlark
Eastern/Chihuahuan Meadowlark
Sturnella meadowlark sp.
Orchard Oriole
Bullock's Oriole
Baltimore Oriole
Bullock's x Baltimore Oriole (hybrid)
Bullock's/Baltimore Oriole
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
new world oriole sp.
Red-winged Blackbird
Brown-headed Cowbird
Rusty Blackbird
Brewer's Blackbird
Rusty/Brewer's Blackbird
Common Grackle
Great-tailed Grackle
grackle sp.
blackbird sp.
Ovenbird
Worm-eating Warbler
Northern Waterthrush
Louisiana/Northern Waterthrush
Golden-winged Warbler
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Blue-winged Warbler
Black-and-white Warbler
Prothonotary Warbler
Tennessee Warbler
Orange-crowned Warbler
Nashville Warbler
Virginia's Warbler
MacGillivray's Warbler
Kentucky Warbler
Common Yellowthroat
Hooded Warbler
American Redstart
Northern Parula
Magnolia Warbler
Blackburnian Warbler
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Yellow Warbler
Chestnut-sided Warbler
Blackpoll Warbler
Black-throated Blue Warbler
Palm Warbler
Pine Warbler
Yellow-rumped Warbler
Yellow-throated Warbler
Prairie Warbler
Black-throated Gray Warbler
Townsend's Warbler
Black-throated Green Warbler
Setophaga sp.
Canada Warbler
Wilson's Warbler
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
new world warbler sp.
Summer Tanager
Scarlet Tanager
Western Tanager
tanager sp. (Piranga sp.)
Northern Cardinal
Rose-breasted Grosbeak
Black-headed Grosbeak
Rose-breasted x Black-headed Grosbeak (hybrid)
Rose-breasted/Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting
Indigo Bunting
Lazuli x Indigo Bunting (hybrid)
Lazuli/Indigo Bunting
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Passerina sp.
Dickcissel
passerine sp.
bird sp.

KEY:| = insufficient data | = rare to widespread

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