Magnolia Warbler, Male, July 6, 1940

Black-throated Green Warbler, Male, July 9, 1939

Black-throated Green Warbler, Male, July 9, 1939

Magnolia Warbler, Male, July 5, 1940

Myrtle Warbler, Female, June 18, 1940

Northern Parula Warbler, Female, June 30, 1940

Northern Yellowthroat, Female, Great Spruce Head Island, Maine, July 20, 1945

Olive-backed Thrush, July 25, 1939

Stephen Porter, Tesuque, New Mexico, August 1946

Stephen, Lake Peak, Santa Fe Mountains, New Mexico, July 8, 1948

Barn Swallows, Maine, July 13, 1942

Black-throated Green Warbler, Male, Maine, July 1939 [Dendroica virens]

Long-tailed Chat, Arizona, May 29, 1941

Northern Parula Warbler, July 2, 1940

Northern Parula Warbler, July 2, 1940

Northern Parula Warbler, Male, July 2, 1940

Northern Parula Warbler, Male, Great Spruce Head Island, Maine, June 28, 1945

White-throated Sparrow, Female, June 25, 1939

Black-and-white Warbler, Male, Silver Lake, New Hampshire, July 1, 1939 [Mniotilta varia]

Black-throated Green Warblers, Male and Female, July 13, 1939