San Esteban Island Chuckwalla

San Esteban is a tiny island in the Gulf of California. The chuckwalla belong to the iguana family of animals; they are the largest of the five species of chuckwalla and are endangered due to the tiny range of their habitat.


  • Scientific Name: Sauromalus varius
  • Range: Islands of San Esteban, Roca Lobos and Pelicanos in the Gulf of California
  • Status in the Wild: Endangered
  • Location in the Zoo: Reptiles and Amphibians Building
  • Cool Animal Fact: They do not drink water and get all water they need to survive from the plants they eat. They excrete salty crystals when they sneeze!