common name scientific name habitat AMPHIBIANS _toads and frogs_ Colorado River Toad _Bufo alvarius_ D F Great Plains Toad _Bufo cognatus_ D Red-spotted Toad _Bufo punctatus_ D F Woodhouse’s Toad _Bufo woodhousei_ D F M Couch’s Spadefoot _Scaphiopus couchi_ D F Western Spadefoot _Scaphiopus hammondi_ D F M Canyon Treefrog _Hyla arenicolor_ F M Leopard Frog _Rana pipiens_ D F M REPTILES _turtles_ *Desert Tortoise _Gopherus agassizi_ D F Western Box Turtle _Terrapene ornata_ D F Sonora Mud Turtle _Kinosternon sonoriense_ D F M Spiny Softshell _Trionyx ferox_ D _lizards_ Banded Gecko _Coleonyx variegatus_ D F Desert Iguana _Dipsosaurus dorsalis_ D Lesser Earless Lizard _Holbrookia maculata_ D F Greater Earless Lizard _Holbrookia texana_ D F *Zebra-tailed Lizard _Callisaurus draconoides_ D F *Collared Lizard _Crotaphytus collaris_ D F Leopard Lizard _Crotaphytus wislizenii_ D F Short-horned Lizard _Phrynosoma douglassi_ F M Desert Horned Lizard _Phrynosoma platyrhinos_ D *Regal Horned Lizard _Phrynosoma solare_ D F *Side-blotched Lizard _Uta stansburiana_ D F *Tree Lizard _Uta ornata_ D F M *Desert Spiny Lizard _Sceloporus magister_ D F Clark’s Spiny Lizard _Sceloporus clarki_ D F M Eastern Fence Lizard _Sceloporus undulatus_ F M *Western Whiptail _Cnemidophorus tigris_ D F Spotted Whiptail _Cnemidophorus sacki_ D F Arizona Alligator Lizard _Gerrhonotus kingi_ M *Great Plains Skink _Eumeces obsoletus_ D F *Gila Monster _Heloderma suspectum_ D F _snakes_ Western Blind Snake _Leptotyphlops humilis_ D F Arizona Coral Snake _Micruroides euryxanthus_ D F M Regal Ringnecked Snake _Diadophis regalis_ F M Western Hognose Snake _Heterodon nasicus_ D F Spotted Leaf-nosed Snake _Phyllorhynchus D F decurtatus_ Saddled Leaf-nosed Snake _Phyllorhynchus browni_ D F