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Bird Observations

			Date Range: Aug, 1900-2022

Costilla

Updated ~37 hr(s) ago.

198 species (+25 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ross's Goose
Cackling Goose
Canada Goose
Wood Duck
Blue-winged Teal
Cinnamon Teal
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
Mexican Duck
Mallard x Mexican Duck (hybrid)
Northern Pintail
Green-winged Teal
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
teal sp.
dabbling duck sp.
Canvasback
Redhead
Ring-necked Duck
Lesser Scaup
Bufflehead
Common Merganser
Ruddy Duck
duck sp.
Wild Turkey
Dusky Grouse
White-tailed Ptarmigan
Pied-billed Grebe
Eared Grebe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Grebe
Clark's Grebe
Western x Clark's Grebe (hybrid)
Western/Clark's Grebe
Rock Pigeon
Eurasian Collared-Dove
Mourning Dove
Common Nighthawk
Common Poorwill
Black-chinned Hummingbird
Calliope Hummingbird
Rufous Hummingbird
Broad-tailed Hummingbird
Selasphorus sp.
hummingbird sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Virginia Rail
Sora
American Coot
Sandhill Crane
Black-necked Stilt
American Avocet
Killdeer
Semipalmated Plover
Long-billed Curlew
Marbled Godwit
Long-billed Dowitcher
Wilson's Snipe
Wilson's Phalarope
Red-necked Phalarope
Spotted Sandpiper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Solitary Sandpiper
Lesser Yellowlegs
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Stilt Sandpiper
Sanderling
Baird's Sandpiper
Least Sandpiper
Pectoral Sandpiper
Western Sandpiper
Semipalmated Sandpiper
Western/Semipalmated Sandpiper
peep sp.
Franklin's Gull
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ring-billed Gull
Herring Gull
California Gull
gull sp.
Caspian Tern
Black Tern
Forster's Tern
Double-crested Cormorant
American White Pelican
Black-crowned Night Heron
Snowy Egret
Great Blue Heron
Glossy Ibis
White-faced Ibis
Glossy x White-faced Ibis (hybrid)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Glossy/White-faced Ibis
Turkey Vulture
Osprey
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Bald Eagle
Swainson's Hawk
Red-tailed Hawk
Ferruginous Hawk
Great Horned Owl
Belted Kingfisher
Williamson's Sapsucker
Red-naped Sapsucker
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lewis's Woodpecker
Downy Woodpecker
Hairy Woodpecker
Northern Flicker
American Kestrel
Peregrine Falcon
Prairie Falcon
Olive-sided Flycatcher
Western Wood-Pewee
Willow Flycatcher
Alder/Willow Flycatcher (Traill's Flycatcher)
Gray Flycatcher
Dusky Flycatcher
Western Flycatcher
Empidonax sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Say's Phoebe
Ash-throated Flycatcher
Cassin's Kingbird
Western Kingbird
Cassin's/Western Kingbird
Eastern Kingbird
Plumbeous Vireo
Warbling Vireo
Loggerhead Shrike
Canada Jay
Pinyon Jay
Steller's Jay
Woodhouse's Scrub-Jay
Black-billed Magpie
Clark's Nutcracker
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Crow
Common Raven
raven sp.
Black-capped Chickadee
Mountain Chickadee
chickadee sp.
Horned Lark
Bank Swallow
Tree Swallow
Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Bushtit
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ruby-crowned Kinglet
Golden-crowned Kinglet
White-breasted Nuthatch
Pygmy Nuthatch
Red-breasted Nuthatch
Brown Creeper
Blue-gray Gnatcatcher
Rock Wren
Canyon Wren
House Wren
American Dipper
European Starling
Gray Catbird
Sage Thrasher
Northern Mockingbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Bluebird
Mountain Bluebird
Townsend's Solitaire
Hermit Thrush
American Robin
Cedar Waxwing
House Sparrow
American Pipit
Evening Grosbeak
Pine Grosbeak
House Finch
Cassin's Finch
Red Crossbill
Pine Siskin
Lesser Goldfinch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Goldfinch
finch sp.
Chipping Sparrow
Clay-colored Sparrow
Brewer's Sparrow
Spizella sp.
Lark Sparrow
Lark Bunting
Dark-eyed Junco
White-crowned Sparrow
Sagebrush Sparrow
Vesper Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Green-tailed Towhee
Spotted Towhee
Yellow-breasted Chat
Yellow-headed Blackbird
Western Meadowlark
Orchard Oriole
Bullock's Oriole
Red-winged Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Common Grackle
Great-tailed Grackle
Northern Waterthrush
Orange-crowned Warbler
Virginia's Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Leiothlypis sp.
MacGillivray's Warbler
Common Yellowthroat
Yellow Warbler
Yellow-rumped Warbler
Black-throated Gray Warbler
Townsend's Warbler
Wilson's Warbler
new world warbler sp.
Western Tanager
Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting

KEY:| = insufficient data | = rare to widespread

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