Mexican beaded lizard 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 bands. As it is a specialized predator that feeds primarily upon eggs, the primary use of its venom is still a source of
Philippine sailfin lizard Philippine sailfin lizard The Philippine sailfin lizard, crested lizard, sail-fin lizard, sailfin water lizard, soa-soa water lizard (Hydrosaurus pustulatus) or its native name "ibid" is an oviparous lizard living only in the Philippines. The Philippine sailfin lizard is an excellent swimmer and has flattened toes that enable it to run across water, similar to the basilisks. It is omnivorous, feeding on fruit, leaves, flowers, insects, and small animals . Males have a larger crest on their back than the females. The males also show a violet color as they grow older. Females are less colorful. The adults may reach up