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
Yellow-throated plated lizard Yellow-throated plated lizard The yellow-throated plated lizard or plated lizard ("Gerrhosaurus flavigularis") is a species of lizard, which is about 45½ cm (18 inches) in total length (including tail) and lives in the grassland and scrub of Sudan, Ethiopia and along Eastern Africa down to South Africa. A ground-living and burrowing lizard, this species is usually greenish-grey or brownish, with a yellow (or sometimes red) throat and often a narrow stripe down each side. It is well armored, with hard body plates, and head shields fused to the skull. The tail is generally about two-thirds of the total length. Its