Song Sparrow, Jackson, Michigan, June 4, 1961

Field Sparrow

Texas Sparrow, Santa Anna Refuge, Texas, May 22, 1947

Gambel's Sparrow, Tesuque, New Mexico, January 4, 1948

Pine Siskin, Santa Fe Basin, New Mexico, July 17, 1950

Blue-winged Warblers, Battle Creek, Michigan, June 10, 1955

Yellow Warbler, Male, Ely, Minnesota, July 3, 1962

Ovenbird, Ely, Minnesota, June 30, 1961

Barn Swallow, Great Spruce Head Island, Maine, July 9, 1974

Arkansas Goldfinch, Male, Tesuque, New Mexico, July 27, 1950

Cliff Swallow, Great Spruce Head Island, Maine, July 12, 1971

Cliff Swallow, Great Spruce Head Island, Maine, July 12, 1971

Wakulla Seaside Sparrow

Western Tanagers, Male and Female, Pacheco Canyon, New Mexico, June 27, 1951

Barn Swallow, Great Spruce Head Island, Maine, August 21, 1954

Barn Swallow, Great Spruce Head Island, Maine, July 9, 1974

Barn Swallow, Great Spruce Head Island, Maine, July 9, 1974

Barn Swallow, Great Spruce Head Island, Maine, July 9, 1974

Yellow-eyed Junco

Barn Swallow, Great Spruce Head Island, Maine, July 7, 1971