Source: U.S. National Park Service, Tumacarcori National
Historical Park. Available online: http://www.nps.gov/
The Gila monster and the Mexican beaded lizard are two types of
poisonous (venomous) lizards found in North America. These large, thick-bodied lizards
have short, stubby limbs. They live in desert regions of the southwestern
United States and northern Mexico.
