Arctic Tern, Matinicus Rock, Maine, July 31, 1949

Arctic Tern, Matinicus Rock, Maine, July 31, 1949

Eroded Red Rock, Hanksville Road, Utah, August 17, 1963

Navajo Mountain, from Hole in the Rock, Utah, August 28, 1963

Redwood Grove, Muir Woods, California, January 29, 1959

Alexandria, Virginia, September 1940

Field Sparrow, Illinois, June 1941

Olive Sparrow

Gambel's White-crowned Sparrow

Ovenbird, Silver Lake, New Hampshire, June 22, 1953

Ovenbird, Ely, Minnesota, June 30, 1961

Henslow's Sparrow, Jackson, Michigan, June 3, 1961

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

Grasshopper Sparrow

White-eyed Towhee

Yellow-breasted Chat

Prairie Warbler

Lesser Goldfinch

Lark Sparrow

Cedar Waxwing, Great Spruce Head Island, Maine, July 1940