Article Series

Series: Reptiles and Amphibians of the American Southwest

The American Southwest is well known for its abundance and diversity of reptiles including the Gila monster (one of only two venomous lizards in the world), desert tortoise, whiptail lizard, coachwhip, and aquatic species like the narrow-headed gartersnake. The Southwest is less well known for its amphibian populations, but they are abundant in some habitats. Some unique species include the barking frog, casque-headed frog, Arizona toad, Sonoran desert toad, and Sonoran tiger salamander.