Rivoli's Hummingbird, Southwestern Research Station, Chiricahua Mountains, Arizona, May 1959

Western Flycatcher, Pacheco Canyon, New Mexico, August 1951

Wright's Flycatcher, Aspen Valley, New Mexico, July 8, 1951

Wood Stork, Corkscrew Swamp, Florida, January 1974

Scum and Algae, Mammoth Hot Springs, Yellowstone National Park, Wyoming, August 18, 1952

Bubbles and Scum, Mammoth Hot Springs, Yellowstone National Park, Wyoming, August 18, 1952

Lewis' Woodpecker, Alcalde, New Mexico, June 21, 1951

Anhinga, Taylor Slough, Florida, January 1974

Texas Nighthawk, Female, Vicinity of Tucson, Arizona, May 31, 1952

Rivoli's Hummingbird, Southwestern Research Station, Chiricahua Mountains, Arizona, May 1959

Kingfisher, Male, Pittsburg, New Hampshire, June 22, 1965

Downy Woodpecker, Male, Great Spruce Head Island, Maine, June 18, 1945

Black-chinned Hummingbird, Male, Tesuque, New Mexico, August 1961

Broad-billed Hummingbird, Male, Molino Basin, Arizona, April 28, 1955

Rocks in Aztec Creek, Glen Canyon, Utah, September 5, 1962

Mud Stones and Reflections, Escalante River, Glen Canyon, Utah, September 4, 1962

Pools in the Narrows, Bridge Canyon, Glen Canyon, Utah, September 5, 1962

Snake River Oxbow, Grand Teton National Park, Wyoming, June 29, 1975

Plum Tree Alley, Dumbarton Oaks, Washington, D.C., October 25,1967

Waterworn Rocks, Aztec Creek, Glen Canyon, Utah, September 5, 1962