Final Results
125 species
l – Lion’s Park, Wyoming Important Bird Area
h – Wyoming Hereford Ranch (reservoirs and home
ranch), Wyoming Important Bird Area
r – High Plains Grasslands Research Station
f – F. E. Warren Air Force Base
o – species seen only outside of the four locations
listed above
l h f Canada
Goose
h f Gadwall
h American Wigeon
l h r f Mallard
l h f Blue-winged
Teal
h Cinnamon Teal
l h f Northern
Shoveler
h Northern Pintail
h f Green-winged
Teal
h f Redhead
f Ring-necked Duck
h Greater Scaup
h f Lesser Scaup
f Bufflehead
l h f Ruddy
Duck
l Pied-billed
Grebe
h Eared Grebe
l h f Western Grebe
h f American White Pelican
l h Double-crested
Cormorant
l h f Great Blue Heron
l f Black-crowned Night-Heron
h f White-faced
Ibis
l Turkey
Vulture
r Cooper’s Hawk
r Broad-winged Hawk
h f Swainson’s
Hawk
h Red-tailed Hawk
r American Kestrel
r Merlin
h Virginia Rail
f Sora
l h f American Coot
h Black-bellied Plover
l h f Killdeer
h American Avocet
h Lesser Yellowlegs
h Willet
l h f Spotted
Sandpiper
h Long-billed Curlew
h Marbled Godwit
h Baird’s Sandpiper
h Dunlin
h r Wilson’s
Snipe
h f Wilson’s
Phalarope
h Red-necked Phalarope
l h Franklin’s
Gull
h Bonaparte’s Gull
l h f Ring-billed Gull
h Forster’s Tern
h f Rock
Pigeon
l h r f Mourning Dove
h r Great Horned Owl
o Burrowing
Owl
r Common Poorwill
l Chimney
Swift
o Broad-tailed
Hummingbird
h f Belted
Kingfisher
l h Downy
Woodpecker
l h f Northern Flicker
l Western
Wood-Pewee
o Least
Flycatcher
o Cordilleran
Flycatcher
h Say’s Phoebe
h Western Kingbird
h Eastern Kingbird
l Plumbeous
Vireo
l Warbling
Vireo
h r Red-eyed Vireo
f Blue Jay
r f Black-billed Magpie
l f American Crow
r f Horned
Lark
l Tree
Swallow
l h Violet-green
Swallow
l Northern
Rough-winged Swallow
h Bank Swallow
l h f Cliff Swallow
l h f Barn Swallow
r f Red-breasted
Nuthatch
r White-breasted Nuthatch
h r f House
Wren
l Ruby-crowned
Kinglet
l h r f Blue-gray
Gnatcatcher
l h r f Swainson’s Thrush
l h f American Robin
l h Gray
Catbird
l h f European Starling
l Orange-crowned
Warbler
l h f Yellow Warbler
h f Yellow-rumped
Warbler
l Black-throated
Gray Warbler
r Palm Warbler
h Worm-eating Warbler
h Ovenbird
l Northern
Waterthrush
l h Common
Yellowthroat
l Wilson’s
Warbler
l Western
Tanager
l h Green-tailed
Towhee
l h r f Chipping Sparrow
l h Clay-colored
Sparrow
l Brewer’s
Sparrow
r Vesper Sparrow
l h r Lark
Sparrow
r Lark Bunting
r Savannah Sparrow
l h f Song Sparrow
h Lincoln’s Sparrow
f White-throated Sparrow
h f White-crowned
Sparrow
l Black-headed
Grosbeak
o Lazuli
Bunting
l h f Red-winged Blackbird
h r f Western Meadowlark
l f Yellow-headed Blackbird
o Brewer’s
Blackbird
l h f Common Grackle
f Great-tailed Grackle
h f Brown-headed
Cowbird
l h Bullock’s
Oriole
l h f House Finch
l h r f American
Goldfinch
o Evening
Grosbeak
l h f House Sparrow