Chameleon
Chameleon (Brookesia sp.) resting on a branch in Kenya
American Alligator
An American Alligator in a shallow pond
Western Pond Turtle
Western Pond Turtle yawning while lying on a log,
DesertTortoise
Desert Tortoise (Gopherus morafkai), male, in Saguaro National Park, west unit, Arizona. It is classified by the IUCN as Critically Endangered. They can live 80-100 years.
Cobra
A Cobra rises up with hood inflated in grass
Black Rat Snake
Black Rat Snake ( Pantherophis obsoletus) coiled in shade
Neotropical Rattlesnake
Neotropical Rattlesnake (Crotalus durissus)
Neotropical Rattlesnake (Crotalus durissus) coiled showing its rattle
Prairie Rattlesnake
A Prairie Rattlesnake (Crotalus viridis viridis) is coiled and ready to strike on the plains of western Kansas
Green Mohave Rattlesnake
Green Mohave Rattlesnake (Crotalus scutulatus), coiled and ready
Western Diamondback Rattlesnake
Western Diamondback Rattlesnake (Crotalus atrox) coiled and flicking its tongue while sensing its environment in the Utah desert
Western Diamondback Rattlesnake (Crotalus atrox) in Madera Canyon, Arizona in a threatening posture
Western Diamondback Rattlesnake (Crotalus atrox) in Madera Canyon, Arizona warming in the late afternoon sun on a cool spring day
Western Diamondback Rattlesnake (Crotalus atrox) in Madera Canyon, Arizona absorbing some welcome late afternoon sunshine on a cool spring day
Western Diamondback Rattlesnakes mating
The tails of a pair of Western Diamond-backed Rattlesnakes (Crotalus atrox) mating in Tonto National Forest, Arizona
A pair of Western Diamond-backed Rattlesnakes (Crotalus atrox) mating in Tonto National Forest, Arizona