1950 KOS Spring Meeting Compiled List of Bird Sightings
Field trips to Gage Park, Silver Lake and the Lake Shawnee in Shawnee County
104 species
(This was the first field trip for the fledgling Kansas Ornithological Society. The field trip was led by Roger Tory Peterson. The species names and taxonomic order have been left as published in the Bulletin with current species names added afterwards for clarity.)

Common Loon
Eared Grebe
Pied-billed Grebe
Double-crested Cormorant
Great Blue Heron
Blue-winged Teal
Shoveller (Northern Shoveler)
Lesser Scaup
Ruddy Duck
Turkey Vulture
Sharp-shinned Hawk
Cooper's Hawk
Marsh Hawk (Northern Harrier)
Osprey
Duck Hawk (Peregrine Falcon)
Sparrow Hawk (American Kestrel)
Bobwhite
American Coot
Semipalmated Plover
Killdeer
Wilson's Snipe (Common Snipe)
Spotted Sandpiper
Greater Yellowlegs
Lesser Yellowlegs
Pectoral Sandpiper
Baird's Sandpiper
Semipalmated Sandpiper
Forster's Tern
Black Tern
Mourning Dove
Barred Owl
Chimney Swift
Belted Kingfisher
Northern Flicker
Red-bellied Woodpecker
Red-headed Woodpecker
Yellow-bellied Sapsucker
Downy Woodpecker
Eastern Kingbird
Crested Flycatcher
Phoebe (Eastern Phoebe)
Prairie Horned Lark
Tree Swallow
Bank Swallow
Rough-winged Swallow
Barn Swallow
Cliff Swallow
Purple Martin
Blue Jay
Crow
Black-capped Chickadee
Tufted Titmouse
House Wren
Carolina Wren
Mockingbird
Brown Thrasher
Robin
Hermit Thrush
Olive-backed Thrush (Swainson's Thrush)
Bluebird
Blue-gray Gnatcatcher
Ruby-crowned Kinglet
Migrant Shrike (Loggerhead Shrike)
Starling
Warbling Vireo
Orange-crowned Warbler
Nashville Warbler
Yellow Warbler
Myrtle Warbler (Eastern race of Yellow-rumped Warbler)
Louisiana Waterthrush
Yellowthroat
English Sparrow
Eastern Meadowlark
Western Meadowlark
Yellow-headed Blackbird
Red-winged Blackbird
Baltimore Oriole
Rusty Blackbird
Bronzed Grackle (Common  Grackle)
Cowbird
Cardinal
Indigo Bunting
Dickcissel
Purple Finch
Pine Siskin
Goldfinch (American Goldfinch)
Red-eyed Towhee (Eastern Towhee)
Arctic Towhee (Spotted Towhee)
Savannah Sparrow
Grasshopper Sparrow
Vesper Sparrow
Lark Sparrow
Slate-colored Junco (Dark-eyed Junco)
Chipping Sparrow
Clay-colored Sparrow
Field Sparrow
Harris's Sparrow
White-crowned Sparrow
Gambel's Sparrow (subspecies of White-crowned Sparrow)
White-throated Sparrow
Lincoln Sparrow
Swamp Sparrow
Song Sparrow

Compiled by Roger Tory Peterson, April 30, 1950
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