• Sierra del Carmen

    Big Bend

    National Park Texas


Lizard at Sam Nail Ranch
NPS Photo/Cookie Ballou

Big Bend's desert environment is a perfect place for reptiles! Thirty-one species of snakes, twenty-two species of lizards, and seven species of turtles have been found in Big Bend National Park. Remember that these animals, like all wildlife, are protected from harassment, killing, or collecting within the park.

Did You Know?


Air temperature changes by five degrees for every 1,000 feet of elevation you gain or lose; temperatures in the High Chisos Mountains in Big Bend National Park can be 30 degrees cooler than temperatures along the Rio Grande. More...