Texas horned lizard blunt snout, which give it a decidedly batrachian appearance. "Phrynosoma" literally means "toad-bodied" and "cornutum" means "horned". The lizard's horns are extensions of its cranium and contain true bone. The Texas horned lizard is the largest-bodied and most widely distributed of the roughly 14 species of horned lizards in the western United States and Mexico. The average Texas horned lizard is in snout-vent length, but the upper boundary for males is and for females it is . Although its coloration generally serves as camouflage against predation, when threatened by a predator, a horned lizard puffs up and appears very fat,
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