14396228 - Desert Spiny Lizard (Sceloporus magister) in Sand Hollow State Park near St. George, Utah, United States of America14141615 - An adult desert spiny lizard (Sceloporus magister), Brandi Fenton Park, Tucson, Arizona, United States of America, North America13709254 - An adult male desert spiny lizard (Sceloporus magister), under a ledge in Grand Canyon National Park, Arizona, United States of America, North America13709252 - An adult male desert spiny lizard (Sceloporus magister), under a ledge in Grand Canyon National Park, Arizona, United States of America, North America13709250 - An adult male desert spiny lizard (Sceloporus magister), under a ledge in Grand Canyon National Park, Arizona, United States of America, North America14272442 - Adult San Esteban spiny-tailed iguana (Ctenosaura conspicuosa), endemic to Isla San Esteban, Baja California, Mexico, North America14272443 - Adult San Esteban spiny-tailed iguana (Ctenosaura conspicuosa), endemic to Isla San Esteban, Baja California, Mexico, North America14272441 - Adult San Esteban spiny-tailed iguana (Ctenosaura conspicuosa), endemic to Isla San Esteban, Baja California, Mexico, North America