Frederick L. Mitchell Jr.: Eye to Eye, Laguna Seca Ranch, TX
Frederick L. Mitchell Jr.: Rail, Sora, Patagonia Lake S. P., AZ
Frederick L. Mitchell Jr.: Sora, Patagonia Lake State Park, AZ
Frederick L. Mitchell Jr.: Hummingbird, Broad-billed-06, 2024-04-24, Patagonia State Park
Frederick L. Mitchell Jr.: Hummingbird, Broad-billed-01, 2024-04-24, Patagonia State Park
Frederick L. Mitchell Jr.: Sparrow, Lincoln, 2024-04-17, Madera Canyon
Frederick L. Mitchell Jr.: Osprey, Greer, AZ
Frederick L. Mitchell Jr.: Great Blue Heron, Yellowstone River, Wyoming
Frederick L. Mitchell Jr.: Rivoli's Hummingbird, Madera Canyon, Santa Rita Mountains, AZ
Frederick L. Mitchell Jr.: Acorn Woodpecker on Ash Limb, Madera Canyon, AZ
Frederick L. Mitchell Jr.: Pronghorn, Las Cienegas National Conservation Area, Sonoita, AZ
Frederick L. Mitchell Jr.: Coues White-Tail Deer, San Pedro River, Saint David, AZ
Frederick L. Mitchell Jr.: Hooded Oriole, Green Valley, AZ
Frederick L. Mitchell Jr.: Varied Bunting, Madera Canyon, Santa Rita Mountains, AZ
Frederick L. Mitchell Jr.: Broad-Billed Hummingbird, Madera Canyon, Santa Rita Mountains, AZ
Frederick L. Mitchell Jr.: Altamira Oriole, Bentsen-Rio Grande Valley State Park
Frederick L. Mitchell Jr.: Lark Sparrow, Sonoita Creek, Patagonia, AZ
Frederick L. Mitchell Jr.: Elk, Grand Canyon National Park, Arizona
Frederick L. Mitchell Jr.: Oak Creek with Cathedral Rock, Sedona, Arizona
Frederick L. Mitchell Jr.: Harris Hawk, Tucson Mountains, Arizona
Frederick L. Mitchell Jr.: "The Rivoli Bomber"
Frederick L. Mitchell Jr.: Mountain Goats, Nannie and Kid, Mount Evans, Colorado
Frederick L. Mitchell Jr.: Ring-Necked Pheasant, Bear River Migratory Bird Reserve, Utah
Frederick L. Mitchell Jr.: Altamira Oriole, Bentsen-Rio Grande Valley State Park, south Texas
Frederick L. Mitchell Jr.: Blue-Throated Mountain Gem, Southwestern Research Station, Cave Creek, Chiricahua Mountains, Arizona
Frederick L. Mitchell Jr.: Rivoli's Hummingbird, Southwestern Research Station, Cave Creek, Chiricahua Mountains, AZ
Frederick L. Mitchell Jr.: "Preening Tail Feather" Blue-Throated Hummingbird, Southwestern Research Station, Cave Creek, Chiricahua Mountains, AZ
Frederick L. Mitchell Jr.: Berylline Hummingbird, Southwestern Research Station, Cave Creek, Chiricahua Mountains, Arizona
Frederick L. Mitchell Jr.: Blue-Throated Mountain Gem, Southwestern Research Station, Cave Creek, Chiricahua Mountains, Arizona
Frederick L. Mitchell Jr.: Blue-Throated Mountain Gem, Southwestern Research Station, Cave Creek, Chiricahua Mountains, Arizona