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

Ruess Arch and Amphitheater, Davis Gulch, Escalante Basin, Lake Powell, Utah, May 12, 1965

Ruess Arch and Amphitheater, Davis Gulch, Escalante Basin, Lake Powell, Utah, May 12, 1965

Ruess Arch and Amphitheater, Davis Gulch, Escalante Basin, Lake Powell, Utah, May 12, 1965

Waterfall and Wet Wall, Cathedral in the Desert, Clear Creek, Lake Powell, Utah, May 10, 1965

Blue Cliff, Aztec Creek, Lake Powell, Utah

Pool in Mystery Canyon, Lake Powell, Utah, August 26, 1964

Arch and Box Elder Tree, Davis Gulch, Escalante River, Lake Powell, Utah, May 12, 1965

Reflections in Pool, Indian Creek, Escalante River, Utah, September 22, 1965

Reflections in Pool, Indian Creek, Escalante River, Utah, September 22, 1965

Painted Redstart, Ash Spring, Chiricahua Mountains, Arizona, May 13, 1959

Painted Redstart, Ash Spring, Chiricahua Mountains, Arizona, May 13, 1959

Tennessee Warbler

Golden-winged Warblers, Male and Female, Bird Haven, Jackson, Michigan, June 9, 1960

Rocky Mountain Orange-crowned Warbler, Male, Aspen Basin, Sangre de Cristo Mountains, New Mexico, July 13, 1959

Black-throated Blue Warbler, Male, Adams Trail, Alger County, Michigan, June 27, 1960

Northern Pileolated Warblers, Male and Female, Brainard Lake, Colorado, July 6, 1961

Blackpoll Warblers, Male and Female, East Inlet, Pittsburg, New Hampshire, June 29, 1965

Portrait

Pikes Peak