Mark L. Watson:
Jemez Mountain Salamander Plethodon neomexicanus
Mark L. Watson:
Dune Sagebrush Lizard Scelopours arenicolus
Mark L. Watson:
Dune Sagebrush Lizard female, Sceloporus arenicolus
Mark L. Watson:
Painted Turtle
Mark L. Watson:
Tree Lizard Urosaurus ornatus
Mark L. Watson:
Chihuhuan Spotted Whiptail Aspidoscelis exsanguis
Mark L. Watson:
Oldest known Jemez Mountains Salamander Plethodon neomexicanus
Mark L. Watson:
Canyon Tree Frog Hyla arenicolor
Mark L. Watson:
Clark's Spiny Lizard Sceloporus clarkii
Mark L. Watson:
Collared Lizard Crotaphytus collaris
Mark L. Watson:
Great Plains Toad Anaxyrus cognatus
Mark L. Watson:
Madrean Alligator Lizard Elgaria kingii
Mark L. Watson:
Western Diamondback Rattlesnake Crotalus atrox
Mark L. Watson:
Striped Plateau Lizard Sceloporus virgatus
Mark L. Watson:
New Mexico Spadefoot Toads Spea multiplicata breeding
Mark L. Watson:
Twin-spotted Spiny Lizard Sceloporus bimaculosus
Mark L. Watson:
American Bullfrog, Bosque del Apache Nationanl Wildlife Refuge
Mark L. Watson:
Arizona Toad Anaxyrus microscaphus
Mark L. Watson:
Eastern Patchnose snake Salvadora grahamiae
Mark L. Watson:
Greater Earless Lizard Cophosaurus texanus
Mark L. Watson:
Lesser Earless Lizard Holbrookia maculata
Mark L. Watson:
Side-blotched Lizard Uta stansburiana
Mark L. Watson:
Plains Garter Snake Thamnophis radix
Mark L. Watson:
Western Terrestrial Garter Snake Thamnophis elegans
Mark L. Watson:
Big Bend Slider Turtle Trachemys gaigeae
Mark L. Watson:
Spiny Softshell Turtle Apalone spiniferus
Mark L. Watson:
Ornate Box Turtle Terrapene ornata
Mark L. Watson:
Yellow Mud Turtle Kinosternon flavescens
Mark L. Watson:
Greater Earless Lizard Cophosaurus texanus male near Red Rock Wildlife Management Area
Mark L. Watson:
Mexican Spadefoot toad
