Tent Rocks, New Mexico, November 1940

Tent Rocks, New Mexico, November 1940

Near Mule Creek, New Mexico, March 21, 1947

Near Mule Creek, New Mexico, March 21, 1947

Mourning Warbler, Female, Ely, Minnesota, July 21, 1962

Black-throated Blue Warbler (Female)

Hooded Warbler, Male, Miami-Whitewater Forest, Hamilton County, Ohio, June 11, 1963

Cactus Wren, Saguaro National Monument, Tucson, Arizona, April 29, 1952

Western Gnatcatcher, Male, Tesuque, New Mexico, July 7, 1954

Worm-eating Warbler, Kanawha State Park, West Virginia, June 4, 1971

Golden-crowned Kinglet, Seney, Michigan, June 25, 1973

Savannah Sparrow

Spotted Towhee, Female, Tesuque, New Mexico, June 18, 1948

Blue Grosbeak

Green-tailed Towhee, Santa Fe Basin, New Mexico, July 30, 1960

Scarlet Tanager

Snowy Egret, Mrazik Pond, Everglades National Park, Florida, January 1974

Western Warbling Vireo, Tesuque, New Mexico, July 12, 1953

Louisiana Heron, Mrazik Pond, Everglades National Park, Florida, January 1974

Louisiana Heron, Mrazik Pond, Everglades National Park, Florida, January 1974