Mexican Plateau horned lizard Mexican Plateau horned lizard The Mexican Plateau horned lizard (Phrynosoma orbiculare) is a species of horned lizard. It is also known as the Chihuahua Desert horned lizard. The specific epithet, "orbiculare", comes from the Latin adjective "orbis", meaning "circular". "Phrynosoma orbiculare" has a characteristic single row of lateral abdominal fringe scales. This "horned toad" also has two short occipital horns. "P. orbiculare" is found only in the high plateau country of central Mexico. Specifically, it is found in the states of Chihuahua, Durango, and Nuevo León. Its range continues southeast through Morelos, Puebla and Veracruz. "P. orbiculare" occurs in a
Wyoming toad County Wyoming Toad Task Force in order to protect the Wyoming toad. The committee started taking toads into captivity for reproduction, but the group and the reproduction plans were only in the works for two years. After the group discontinued, the IUCN stepped in to save the toad. The IUCN ran field studies, captive breeding plans, and tests on what diseases the toads held that may be causing mortality. Through field notes, researchers Withers and Corn (2005) discovered that Wyoming toads tend to mature earlier than other amphibians in their surrounding habitat. The scientists discovered that the average Wyoming toad