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Bird Observations

Date Range:
Jan-Dec, 1900-2022

Rocky Mountain Arsenal NWR

Updated ~27 hr(s) ago.

276 species (+88 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snow Goose
Ross's Goose
Snow/Ross's Goose
Greater White-fronted Goose
Cackling Goose
Snow x Cackling Goose (hybrid)
Canada Goose
Cackling/Canada Goose
goose sp.
Trumpeter Swan
Tundra Swan
Trumpeter/Tundra Swan
Wood Duck
Blue-winged Teal
Cinnamon Teal
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Eurasian x American Wigeon (hybrid)
Mallard
Mallard/Mexican Duck
Northern Pintail
Green-winged Teal
teal sp.
dabbling duck sp.
Canvasback
Redhead
Ring-necked Duck
Greater Scaup
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Lesser Scaup
Greater/Lesser Scaup
Aythya sp.
Surf Scoter
Black Scoter
Long-tailed Duck
Bufflehead
Common Goldeneye
Barrow's Goldeneye
Common/Barrow's Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
Ruddy Duck
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
duck sp.
Northern Bobwhite
Scaled Quail
Wild Turkey
Ring-necked Pheasant
Chukar
Pied-billed Grebe
Horned Grebe
Eared Grebe
Horned/Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
grebe sp.
Rock Pigeon
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Eurasian Collared-Dove
White-winged Dove
Mourning Dove
pigeon/dove sp.
Common Nighthawk
Common Poorwill
Chimney Swift
Black-chinned Hummingbird
Calliope Hummingbird
Rufous Hummingbird
Broad-tailed Hummingbird
hummingbird sp.
Virginia Rail
Sora
American Coot
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sandhill Crane
Black-necked Stilt
American Avocet
Black-bellied Plover
American Golden-Plover
Semipalmated Plover
Killdeer
Upland Sandpiper
Whimbrel
Long-billed Curlew
Marbled Godwit
Stilt Sandpiper
Sanderling
Baird's Sandpiper
Least Sandpiper
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
White-rumped Sandpiper
Pectoral Sandpiper
Semipalmated Sandpiper
Western Sandpiper
Semipalmated/Western Sandpiper
peep sp.
Calidris sp.
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Wilson's Snipe
Wilson's Phalarope
Red-necked Phalarope
Red-necked/Red Phalarope
phalarope sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Spotted Sandpiper
Solitary Sandpiper
Greater Yellowlegs
Willet
Lesser Yellowlegs
Greater/Lesser Yellowlegs
large shorebird sp.
shorebird sp.
Sabine's Gull
Bonaparte's Gull
Franklin's Gull
Short-billed Gull
Ring-billed Gull
California Gull
Herring Gull
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Iceland Gull
Lesser Black-backed Gull
Larus sp.
gull sp.
Caspian Tern
Black Tern
Common Tern
Forster's Tern
Common Loon
Double-crested Cormorant
Double-crested/Neotropic Cormorant
American White Pelican
American Bittern
Great Blue Heron
Great Egret
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snowy Egret
Little Blue Heron
Cattle Egret
white egret sp.
Green Heron
Black-crowned Night-Heron
White Ibis
White-faced Ibis
Glossy/White-faced Ibis
Turkey Vulture
Osprey
Golden Eagle
Mississippi Kite
Northern Harrier
Hen/Northern Harrier
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sharp-shinned Hawk
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
Accipiter sp.
Bald Eagle
Golden/Bald Eagle
Broad-winged Hawk
Swainson's Hawk
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Buteo sp.
Buteo/eagle sp.
hawk sp.
eagle sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Barn Owl
Eastern Screech-Owl
Great Horned Owl
Burrowing Owl
Long-eared Owl
Short-eared Owl
owl sp.
Belted Kingfisher
Yellow-bellied Sapsucker
Red-naped Sapsucker
Yellow-bellied/Red-naped Sapsucker
Red-headed Woodpecker
Downy Woodpecker
Hairy Woodpecker
Downy/Hairy Woodpecker
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Northern Flicker
woodpecker sp.
American Kestrel
Merlin
Peregrine Falcon
Prairie Falcon
large falcon sp.
small falcon sp.
falcon sp.
Olive-sided Flycatcher
Western Wood-Pewee
Western/Eastern Wood-Pewee
pewee sp. (Contopus sp.)
Willow Flycatcher
Alder/Willow Flycatcher (Traill's Flycatcher)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Least Flycatcher
Hammond's Flycatcher
Gray Flycatcher
Dusky Flycatcher
Hammond's/Dusky Flycatcher
Cordilleran Flycatcher
Pacific-slope/Cordilleran Flycatcher (Western Flycatcher)
Empidonax sp.
Eastern Phoebe
Say's Phoebe
Vermilion Flycatcher
Ash-throated Flycatcher
Great Crested Flycatcher
Myiarchus sp.
Cassin's Kingbird
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Western Kingbird
Cassin's/Western Kingbird
Eastern Kingbird
Scissor-tailed Flycatcher
new world flycatcher sp.
Cassin's Vireo
Plumbeous Vireo
Cassin's/Plumbeous Vireo
Warbling Vireo
Red-eyed Vireo
vireo sp.
Loggerhead Shrike
Northern Shrike
Loggerhead/Northern Shrike
Blue Jay
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Woodhouse's Scrub-Jay
Black-billed Magpie
American Crow
Common Raven
raven sp.
crow/raven sp.
Black-capped Chickadee
Mountain Chickadee
Black-capped/Mountain Chickadee
chickadee sp.
Horned Lark
Northern Rough-winged Swallow
Tree Swallow
Violet-green Swallow
Tree/Violet-green Swallow
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Bank Swallow
Barn Swallow
Cliff Swallow
Cliff/Cave Swallow
swallow sp.
Bushtit
Ruby-crowned Kinglet
Golden-crowned Kinglet
Ruby-crowned/Golden-crowned Kinglet
Red-breasted Nuthatch
White-breasted Nuthatch
nuthatch sp.
Brown Creeper
Blue-gray Gnatcatcher
Rock Wren
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
House Wren
Winter Wren
Marsh Wren
European Starling
Gray Catbird
Brown Thrasher
Sage Thrasher
Northern Mockingbird
Eastern Bluebird
Western Bluebird
Mountain Bluebird
bluebird sp.
Townsend's Solitaire
Veery
Swainson's Thrush
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hermit Thrush
Catharus sp.
American Robin
thrush sp.
Cedar Waxwing
House Sparrow
American Pipit
Evening Grosbeak
House Finch
Common Redpoll