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,
Megophrys aceras Megophrys aceras Xenophrys aceras, the Perak horned toad, Perak spadefoot toad or Malayan horned frog, is a species of amphibian in the family Megophryidae found in Peninsular Malaysia and Thailand, and possibly in Indonesia. Its common name refers to its type locality, Bukit Besar in Perak state, Malaysia. Male "Xenophrys aceras" grow to snout-vent length of and females to . They have smooth back with scattered warts and low ridges and short dermal projections on top of the eyelids (the "horn"). The dorsal colour is variable from grey, brown to bright orange; they usually have a triangular mark between the