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Bird Observations

			Date Range: Jul, 1900-2021

Weld

Updated ~22 hr(s) ago.

213 species (+73 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Graylag Goose
Cackling Goose
Canada Goose
Cackling/Canada Goose
Mute Swan
goose sp.
Wood Duck
Blue-winged Teal
Cinnamon Teal
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mexican Duck
Mallard/Mexican Duck
Northern Pintail
Green-winged Teal
teal sp.
dabbling duck sp.
Canvasback
Redhead
Ring-necked Duck
Lesser Scaup
Greater/Lesser Scaup
Aythya sp.
Bufflehead
Common Goldeneye
Hooded Merganser
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common Merganser
Ruddy Duck
duck sp.
Northern Bobwhite
Scaled Quail
Wild Turkey
Sharp-tailed Grouse
Ring-necked Pheasant
Chukar
Pied-billed Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Western x Clark's Grebe (hybrid)
Western/Clark's Grebe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
grebe sp.
Rock Pigeon
Eurasian Collared-Dove
White-winged Dove
Mourning Dove
pigeon/dove sp.
Yellow-billed Cuckoo
Common Nighthawk
Chimney Swift
White-throated Swift
swift sp.
Black-chinned Hummingbird
Calliope Hummingbird
Rufous Hummingbird
Broad-tailed Hummingbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
hummingbird sp.
Virginia Rail
Sora
American Coot
rail/crake sp.
Sandhill Crane
Black-necked Stilt
American Avocet
Killdeer
Semipalmated Plover
Mountain Plover
plover sp.
Upland Sandpiper
Long-billed Curlew
Marbled Godwit
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Wilson's Snipe
Wilson's Phalarope
Red-necked Phalarope
Spotted Sandpiper
Solitary Sandpiper
Lesser Yellowlegs
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Stilt Sandpiper
Baird's Sandpiper
Least Sandpiper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pectoral Sandpiper
Western Sandpiper
Semipalmated Sandpiper
Western/Semipalmated Sandpiper
peep sp.
large shorebird sp.
shorebird sp.
Bonaparte's Gull
Franklin's Gull
Ring-billed Gull
Lesser Black-backed Gull
California Gull
Larus sp.
gull sp.
Least Tern
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Caspian Tern
Black Tern
Forster's Tern
Common Tern
Forster's/Common Tern
Common Loon
Double-crested Cormorant
Neotropic Cormorant
Double-crested/Neotropic Cormorant
American White Pelican
Brown Pelican
American Bittern
Yellow-crowned Night Heron
Black-crowned Night Heron
Yellow-crowned/Black-crowned Night Heron
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snowy Egret
Western Cattle Egret
Great Egret
Great Blue Heron
white egret sp.
Glossy Ibis
White-faced Ibis
Glossy/White-faced Ibis
Turkey Vulture
Osprey
Golden Eagle
Mississippi Kite
Northern Harrier
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bald Eagle
Golden/Bald Eagle
Broad-winged Hawk
Swainson's Hawk
Red-tailed Hawk
Ferruginous Hawk
Buteo sp.
Buteo/eagle sp.
hawk sp.
eagle sp.
Barn Owl
Eastern Screech-Owl
Great Horned Owl
Burrowing Owl
Long-eared Owl
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Short-eared Owl
owl sp.
Belted Kingfisher
Lewis's Woodpecker
Red-headed Woodpecker
Downy Woodpecker
Hairy Woodpecker
Northern Flicker
woodpecker sp.
American Kestrel
Peregrine Falcon
Prairie Falcon
large falcon sp.
small falcon sp.
falcon sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
diurnal raptor sp.
Western Wood-Pewee
Eastern Wood-Pewee
Western/Eastern Wood-Pewee
Least Flycatcher
Dusky Flycatcher
Western Flycatcher
Empidonax sp.
Say's Phoebe
Great Crested Flycatcher
Cassin's Kingbird
Western Kingbird
Cassin's/Western Kingbird
yellow-bellied kingbird sp.
Eastern Kingbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Scissor-tailed Flycatcher
new world flycatcher sp.
White-eyed Vireo
Yellow-throated Vireo
Warbling Vireo
Red-eyed Vireo
vireo sp.
Loggerhead Shrike
Loggerhead/Northern Shrike
Blue Jay
Black-billed Magpie
American Crow
Common Raven
crow/raven sp.
Black-capped Chickadee
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black-capped/Mountain Chickadee
Horned Lark
Bank Swallow
Tree Swallow
Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
Barn x Cliff Swallow (hybrid)
swallow sp.
Bushtit
White-breasted Nuthatch
Red-breasted Nuthatch
Blue-gray Gnatcatcher
Rock Wren
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
House Wren
Marsh Wren
wren sp.
European Starling
Gray Catbird
Brown Thrasher
Sage Thrasher
Northern Mockingbird
Eastern Bluebird
Hermit Thrush
American Robin
thrush sp.
Cedar Waxwing
House Sparrow
Sprague's Pipit
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
House Finch
Red Crossbill
Pine Siskin
Lesser Goldfinch
American Goldfinch
new world goldfinch sp.
finch sp.
Chestnut-collared Longspur
Thick-billed Longspur
longspur sp.
Cassin's Sparrow
Grasshopper Sparrow
Chipping Sparrow
Brewer's Sparrow
Spizella sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lark Sparrow
Lark Bunting
White-crowned Sparrow
Vesper Sparrow
Savannah Sparrow
Baird's Sparrow
Song Sparrow
Spotted Towhee
Spotted/Eastern Towhee (Rufous-sided Towhee)
new world sparrow sp.
Yellow-breasted Chat
Yellow-headed Blackbird
Bobolink
Western Meadowlark
Eastern Meadowlark
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sturnella meadowlark sp.
Orchard Oriole
Bullock's Oriole
Bullock's x Baltimore Oriole (hybrid)
Bullock's/Baltimore Oriole
new world oriole sp.
Red-winged Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Rusty/Brewer's Blackbird
Common Grackle
Great-tailed Grackle
grackle sp.
blackbird sp.
Black-and-white Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common Yellowthroat
American Redstart
Yellow Warbler
Black-throated Blue Warbler
Black-throated Green Warbler
new world warbler sp.
Western Tanager
Black-headed Grosbeak
Rose-breasted/Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting
Indigo Bunting
Lazuli x Indigo Bunting (hybrid)
Lazuli/Indigo Bunting
Dickcissel
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
passerine sp.

KEY:| = insufficient data | = rare to widespread

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