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,
Carchi Andes toad Carchi Andes toad The Carchi Andes toad, "Rhaebo colomai", is a species of toad endemic to the western slopes of the Andes in northern Ecuador and southern Colombia. It is listed as a critically endangered species due to a restricted range and habitat loss. "Rhaebo colomai" are medium-sized toads: males measure and females in snout–vent length. This species is known only from three locations: the type locality ("Cabacera del Rio Baboso, cerca a Lita', Carchi Province, Ecuador"), one other locality close by in the province of Carchi, in the northwestern Andes of Ecuador, and one locality on the Colombian Massif