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
Broadley's flat lizard to accurately distinguish between conspecifics of various fitness. They have as many as three times the number of UV photoreceptor cells in their retina compared to other lizards. Sexual maturity is reached at around snout-vent length for both sexes. Females lay two clutches of eggs in early summer. Broadley's flat lizard The Augrabies flat lizard ("Platysaurus broadleyi") is a species of lizard in the Cordylidae family endemic to South Africa. "Platysaurus broadleyi" is also called Broadley's flat lizard. Both the specific name, "broadleyi", and one of the common names, Broadley's flat lizard, are in honor of herpetologist . The Augrabies