Mexican beaded lizard debate among scientists. However, this venom has been found to contain several enzymes useful for manufacturing drugs in the treatment of diabetes, and research on the pharmacological use of its venom is ongoing. Threatened throughout its range by overcollection and habitat loss, it is a CITES protected species. The Guatemalan beaded lizard ("H. charlesbogerti" ) is one of the rarest lizards in the world, with a wild population of fewer than 200. The beaded lizards have one close living relative, the Gila monster ("H. suspectum"), as well as many extinct relatives in the Helodermatidae, whose genetic history may be traced
Sagebrush lizard Sagebrush lizard The sagebrush lizard ("Sceloporus graciosus") is a common species of phrynosomatid lizard found at mid to high altitudes in the western United States of America. It belongs to the genus "Sceloporus" (spiny lizards) in the Phrynosomatidae family of reptiles. Named after the sagebrush plants near which it is commonly found, the sagebrush lizard has keeled and spiny scales running along its dorsal surface. The sagebrush lizard is similar to the western fence lizard, another "Sceloporus" species found in the western US. The sagebrush lizard can be distinguished from the western fence lizard in that the former is on