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Bird Observations

			Date Range: Jan-Dec, 1900-2015

Costilla

Updated ~27 hr(s) ago.

227 species (+22 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Ross's Goose
Greater White-fronted Goose
Cackling Goose
Canada Goose
Cackling/Canada Goose
Wood Duck
Blue-winged Teal
Cinnamon Teal
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
Mexican Duck
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Northern Pintail
Green-winged Teal
dabbling duck sp.
Canvasback
Redhead
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Aythya sp.
White-winged Scoter
Bufflehead
Common Goldeneye
Hooded Merganser
Common Merganser
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ruddy Duck
duck sp.
Wild Turkey
Dusky Grouse
White-tailed Ptarmigan
Pied-billed Grebe
Horned Grebe
Eared Grebe
Horned/Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Rock Pigeon
Band-tailed Pigeon
Eurasian Collared-Dove
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mourning Dove
Common Nighthawk
Common Poorwill
White-throated Swift
Black-chinned Hummingbird
Calliope Hummingbird
Rufous Hummingbird
Broad-tailed Hummingbird
hummingbird sp.
Virginia Rail
Sora
American Coot
Sandhill Crane
Black-necked Stilt
American Avocet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black-bellied Plover
Killdeer
Semipalmated Plover
Mountain Plover
Snowy Plover
Long-billed Curlew
Marbled Godwit
Long-billed Dowitcher
Wilson's Snipe
Wilson's Phalarope
Red-necked Phalarope
Spotted Sandpiper
Solitary Sandpiper
Lesser Yellowlegs
Willet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Greater Yellowlegs
Sanderling
Baird's Sandpiper
White-rumped Sandpiper
Least Sandpiper
Western Sandpiper
Western/Semipalmated Sandpiper
peep sp.
shorebird sp.
Bonaparte's Gull
Franklin's Gull
Ring-billed Gull
Herring Gull
California Gull
gull sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Caspian Tern
Black Tern
Forster's Tern
Common Loon
Double-crested Cormorant
American White Pelican
Black-crowned Night Heron
Snowy Egret
Great Egret
Great Blue Heron
Glossy Ibis
White-faced Ibis
Glossy x White-faced Ibis (hybrid)
Glossy/White-faced Ibis
Turkey Vulture
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Osprey
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
American Goshawk
Bald Eagle
Harris's Hawk
Swainson's Hawk
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Great Horned Owl
Burrowing Owl
Long-eared Owl
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Short-eared Owl
Belted Kingfisher
Williamson's Sapsucker
Red-naped Sapsucker
Lewis's Woodpecker
Acorn Woodpecker
American Three-toed Woodpecker
Downy Woodpecker
Hairy Woodpecker
Northern Flicker
American Kestrel
Peregrine Falcon
Prairie Falcon
Olive-sided Flycatcher
Western Wood-Pewee
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Willow Flycatcher
Hammond's Flycatcher
Gray Flycatcher
Dusky Flycatcher
Western Flycatcher
Say's Phoebe
Ash-throated Flycatcher
Western Kingbird
Cassin's/Western Kingbird
Eastern Kingbird
Cassin's Vireo
Plumbeous Vireo
Warbling Vireo
Loggerhead Shrike
Northern Shrike
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Canada Jay
Pinyon Jay
Steller's Jay
Woodhouse's Scrub-Jay
Black-billed Magpie
Clark's Nutcracker
American Crow
Common Raven
raven sp.
crow/raven sp.
Black-capped Chickadee
Mountain Chickadee
chickadee sp.
Juniper Titmouse
Horned Lark
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bank Swallow
Tree Swallow
Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Bushtit
Ruby-crowned Kinglet
Golden-crowned Kinglet
White-breasted Nuthatch
Pygmy Nuthatch
Red-breasted Nuthatch
Brown Creeper
Blue-gray Gnatcatcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rock Wren
Canyon Wren
House Wren
Marsh Wren
Bewick's Wren
American Dipper
European Starling
Gray Catbird
Sage Thrasher
Northern Mockingbird
Western Bluebird
Mountain Bluebird
Townsend's Solitaire
Swainson's Thrush
Hermit Thrush
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Robin
Cedar Waxwing
House Sparrow
American Pipit
Evening Grosbeak
Pine Grosbeak
Gray-crowned Rosy-Finch
House Finch
Cassin's Finch
Red Crossbill
Pine Siskin
Lesser Goldfinch
American Goldfinch
Lapland Longspur
longspur sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Chipping Sparrow
Brewer's Sparrow
Lark Sparrow
Lark Bunting
American Tree Sparrow
Dark-eyed Junco
White-crowned Sparrow
White-throated Sparrow
Sagebrush Sparrow
Vesper Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Green-tailed Towhee
Spotted Towhee
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
new world sparrow sp.
Yellow-breasted Chat
Yellow-headed Blackbird
Western Meadowlark
Bullock's Oriole
Red-winged Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Common Grackle
Great-tailed Grackle
Orange-crowned Warbler
Virginia's Warbler
MacGillivray's Warbler
Common Yellowthroat
Yellow Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Yellow-rumped Warbler
Black-throated Gray Warbler
Townsend's Warbler
Wilson's Warbler
Summer Tanager
Western Tanager
Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting

KEY:| = insufficient data | = rare to widespread

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