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
Transvaal grass lizard on slopes and ridges. This lizard is ovoviviparous, meaning mothers carry eggs inside their bodies until they are ready to hatch. Neither the Southern African Red Data nor the International Red Data list the Transvaal grass lizard. However, the Swaziland Red Data puts the lizard at Near Threatened levels. The scientific name of this lizard, Chamaesaura aenea, is due to the lizard's copper color. Aenea is a Latin word meaning "bronze" or "copper." Transvaal grass lizard The Transvaal grass lizard, also known as the Coppery grass lizard and Transvaal snake lizard, is a species of lizard in the genus Chamaesaura.