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Bird Observations

			Date Range: Aug, 1900-2015

Costilla

Updated ~38 hr(s) ago.

146 species (+8 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ross's Goose
Canada Goose
Blue-winged Teal
Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
Mexican Duck
Northern Pintail
Green-winged Teal
Redhead
Ring-necked Duck
Lesser Scaup
Common Merganser
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ruddy Duck
duck sp.
White-tailed Ptarmigan
Pied-billed Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Rock Pigeon
Eurasian Collared-Dove
Mourning Dove
Common Nighthawk
Common Poorwill
Black-chinned Hummingbird
Broad-tailed Hummingbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
hummingbird sp.
Virginia Rail
American Coot
Sandhill Crane
Black-necked Stilt
American Avocet
Killdeer
Semipalmated Plover
Long-billed Dowitcher
Wilson's Phalarope
Spotted Sandpiper
Solitary Sandpiper
Lesser Yellowlegs
Greater Yellowlegs
Baird's Sandpiper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Least Sandpiper
Western Sandpiper
Western/Semipalmated Sandpiper
Franklin's Gull
Ring-billed Gull
California Gull
Caspian Tern
Black Tern
Forster's Tern
Double-crested Cormorant
American White Pelican
Black-crowned Night Heron
Snowy Egret
Great Blue Heron
Glossy Ibis
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
White-faced Ibis
Glossy x White-faced Ibis (hybrid)
Glossy/White-faced Ibis
Turkey Vulture
Osprey
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Bald Eagle
Swainson's Hawk
Red-tailed Hawk
Ferruginous Hawk
Great Horned Owl
Belted Kingfisher
Williamson's Sapsucker
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lewis's Woodpecker
Northern Flicker
American Kestrel
Peregrine Falcon
Prairie Falcon
Western Wood-Pewee
Willow Flycatcher
Western Flycatcher
Say's Phoebe
Ash-throated Flycatcher
Western Kingbird
Warbling Vireo
Loggerhead Shrike
Pinyon Jay
Steller's Jay
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black-billed Magpie
Clark's Nutcracker
American Crow
Common Raven
raven sp.
Black-capped Chickadee
Mountain Chickadee
Horned Lark
Bank Swallow
Tree Swallow
Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Red-breasted Nuthatch
Rock Wren
House Wren
American Dipper
European Starling
Sage Thrasher
Northern Mockingbird
Western Bluebird
Mountain Bluebird
Hermit Thrush
American Robin
Cedar Waxwing
House Sparrow
American Pipit
Evening Grosbeak
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pine Grosbeak
House Finch
Red Crossbill
Pine Siskin
American Goldfinch
Chipping Sparrow
Brewer's Sparrow
Lark Sparrow
Lark Bunting
Dark-eyed Junco
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-headed Blackbird
Western Meadowlark
Bullock's Oriole
Red-winged Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Common Grackle
Great-tailed Grackle
Virginia's Warbler
MacGillivray's Warbler
Yellow Warbler
Yellow-rumped Warbler
Townsend's Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Wilson's Warbler
Western Tanager
Black-headed Grosbeak
Blue Grosbeak

KEY:| = insufficient data | = rare to widespread

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