1116-51727 - Male Gambel's Quail (Callipepla gamibelli) showing two head plumes searching for food on ground; Casa Grande, Arizona, United States of America
1116-51729 - Four Black-tailed Jackrabbits (Lupus californicus) lined up single file with the leader raised on its hind legs in an open field; Casa Grande, Arizona, United States of America
1116-51730 - Backlit Black-tailed Jackrabbit (Lupus californicus) with sunlight shining through its ears; Casa Grande, Arizona, United States of America
1116-51728 - Two Round-tailed Ground Squirrel pups (Xerospermophilus tereticadus) at their burrow entrance; Casa Grande, Arizona, United States of America
1116-49407 - Two Burrowing Owls (Athene cunicularia), perched side by side near entrance to their burrow, Casa Grande, Arizona, United States of America
1116-49409 - Burrowing Owl (Athene cunicularia) perched on the ground with head turned to look backwards, Casa Grande, Arizona, United States of America
1116-49410 - Pair of Burrowing Owls (Athene cunicularia) perched on Cholla cactus (Cylindropuntia) skeleton, Casa Grande, Arizona, United States of America
801-1095 - Casa Grande (Great House) Ruins National Monument, home to the Sonora Desert people, founded near 400 AD, abandoned about 1450 AD, Coolidge, Arizona, United States of America, North America
801-1094 - Casa Grande (Great House) Ruins National Monument, home to the Sonora Desert people, founded near 400 AD, abandoned about 1450 AD, Coolidge, Arizona, United States of America, North America
190-2634 - Caliche walls made from limy subsoil, not adobe, dating from 14th century, Casa Grande, Hohokam Indians, Arizona, United States of America (U.S.A.), North America.