Ryan Collister:
Texas coral snake, Micrurus tener
Ryan Collister:
Texas coral snake, Micrurus tener
Ryan Collister:
Western cottonmouth, Agkistrodon piscivorous leucostoma
Ryan Collister:
Texas alligator lizard, Gerrhonotus infernalis
Ryan Collister:
Texas alligator lizard, Gerrhonotus infernalis
Ryan Collister:
Texas alligator lizard, Gerrhonotus infernalis
Ryan Collister:
Texas alligator lizard, Gerrhonotus infernalis
Ryan Collister:
Texas alligator lizard, Gerrhonotus infernalis
Ryan Collister:
Southwestern speckled rattlesnake, Crotalus mitchelli pyrrhus
Ryan Collister:
Southwestern speckled rattlesnake, Crotalus mitchelli pyrrhus
Ryan Collister:
Tiger rattlesnake, Crotalus tigris
Ryan Collister:
Arizona black rattlesnake, Crotalus cerberus
Ryan Collister:
Arizona black rattlesnake, Crotalus cerberus
Ryan Collister:
Arizona black rattlesnake, Crotalus cerberus
Ryan Collister:
Chihuahuan hooknose snake, Gyalopion canum
Ryan Collister:
Chihuahuan hooknose snake, Gyalopion canum
Ryan Collister:
Green toad, Anaxyrus debilis
Ryan Collister:
Trans-Pecos Copperhead, Agkistrodon contortrix pictigaster
Ryan Collister:
Squirrel treefrog, Hyla squirrela
Ryan Collister:
Gulf crayfish snake, Regina (Liodytes) rigida
Ryan Collister:
Western coachwhip, Masticophis flagellum testaceus
Ryan Collister:
Western coachwhip, Masticophis flagellum testaceus
Ryan Collister:
Trans-Pecos rat snake, Bogertophis subocularis
Ryan Collister:
Trans-Pecos rat snake, Bogertophis subocularis
Ryan Collister:
Western coachwhip, Masticophis flagellum testaceus
Ryan Collister:
Central Texas whipsnake, Masticophis taeniatus girardi
Ryan Collister:
Texas horned lizard, Phrynosoma cornutum
Ryan Collister:
Mottled rock rattlesnake, Crotalus lepidus lepidus
Ryan Collister:
Mottled rock rattlesnake, Crotalus lepidus lepidus
Ryan Collister:
Eastern Black-Necked Garter Snake, Thamnophis cyrtopsis ocellatus
