Desert Spiny Lizard (Sceloporus magister) in Sand Hollow State Park near St. George, Utah, United States of America

sceloporus magister george utah lizard basking rocks wildlife reptile desert habitat coloration scales sandstone southern usa mexico range ecology nature conservation species environment animal behavior outdoor daylight sun exposure biodiversity fauna wilderness temperature regulation herpetology adaptation foraging active solitary ecosystem natural setting geological formations photographic reptilian features camouflage terrestrial native