Beaded lizards are one of only two known species of venomous lizards. They live in Mexico’s Sonoran and Sinaloan drainage basins, eating rodents, small birds and eggs. When irritated, they will hiss loudly and have even been known to jump towards whatever is provoking them.
Crotalus atrox They feed mainly on rodents and will keep their numbers in check. Rattlesnake roundups have reduced their numbers significantly in many parts…