Greater short-horned lizard Greater short-horned lizard The greater short-horned lizard ("Phrynosoma hernandesi"), also commonly known as the mountain short-horned lizard, is a species of lizard endemic to western North America. Like other horned lizards, it is often called a "horned toad" or "horny toad", but it is not a toad at all. It is a reptile, not an amphibian. It is one of seven native species of lizards in Canada. The specific name, "hernandesi", honors Francisco Hernández (1514–1587) a Spanish physician who wrote an early account of a horned lizard, which was published in 1615. The greater short-horned lizard is often mistaken for
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