Mexican beaded lizard beaded lizard under the Convention on International Trade in Endangered Species as an Appendix I animal, making it illegal to export the species. Mexican beaded lizard The Mexican beaded lizard ("Heloderma horridum") is a species of lizard in the family Helodermatidae, one of the two species of venomous beaded lizards found principally in Mexico and southern Guatemala. It and its congener (member of the same genus) the Gila monster ("Heloderma suspectum") are the only lizards known to have evolved an overt venom delivery system. The Mexican beaded lizard is larger than the Gila monster, with duller coloration, black with yellowish
Mexican mole lizard this burrowing species only surfaces at night or after heavy rain. It uses its autotomous tail as an escape tatic for predators. Losing a part of the tail while burrowing can plug up the hole behind it, giving it time to escape from any kind of predator that might be chasing it down. It is an opportunist carnivore and eats ants, termites, ground-dwelling insects, larvae, earthworms, and small animals including lizards. It usually pulls its prey under ground to start its meal. Mexican mole lizard The Mexican mole lizard (Bipes biporus), commonly known as the five-toed worm lizard, or simply