Gila monster Gila monster The Gila monster ("Heloderma suspectum", ) is a species of venomous lizard native to the southwestern United States and northwestern Mexican state of Sonora. A heavy, typically slow-moving lizard, up to long, the Gila monster is the only venomous lizard native to the United States and one of only two known species of venomous lizards in North America, the other being its close relative, the Mexican beaded lizard ("H. horridum"). Although the Gila monster is venomous, its sluggish nature means it represents little threat to humans. However, it has acquired a fearsome reputation, and is sometimes killed despite
Mexican mole lizard Mexican mole lizard The Mexican mole lizard (Bipes biporus), commonly known as the five-toed worm lizard, or simply as "Bipes", is a species of amphisbaenian, which is endemic to the Baja California Peninsula. It is one of four species of amphisbaenians that have legs. It should not be confused with the axolotl, a salamander ("Ambystoma mexicanum"), which is usually called "ajolote" in Spanish. It is commonly found in Baja California. They are pink, worm-like lizards, snout-to-vent length and in width, that live for one to two years. Their skin is closely segmented to give a corrugated appearance, and like earthworms,