An International Periodical Promoting Conservation and Biodiversity Southwestern United States—Mexico—Central America Una Revista Internacional para Fomentar la Conservación y Biodiversidad El Suroeste de USA—México—Centroamérica REPTILIAN PREY OF THE SONORA MUD TURTLE (KINOSTERNON SONORIENSE) WITH COMMENTS ON SAUROPHAGY AND OPHIOPHAGY IN NORTH AMERICAN TURTLES JEFF LOVICH,* CHARLES DROST, A. J. MONATESTI,DENNIS CASPER,DUSTIN A. WOOD, AND MICHELE GIRARD United States Geological Survey, Southwest Biological Science Center, 2255 North Gemini Drive, MS-9394, Flagstaff, AZ 86001 (JL, CD, AJM) National Park Service, Montezuma Castle National Monument, 527 South Main Street, Camp Verde, AZ 86322 (DC) United States Geological Survey, Western Ecological Research Center, 4165 Spruance Road, Suite 200, San Diego, CA 92101 (DAW) National Park Service, Southern Arizona Group Office, 2120 North Central Avenue #120, Phoenix, AZ 85004 (MG) Present address of AJM: National Park Service, Environmental Compliance, Lake Mead National Recreation Area, 601 Nevada Way, Boulder City, NV 89005 *Correspondent: jeffrey_lovich@usgs.gov