Venomous Animals Venomous Animals by Lianna Annail Rattlesnakes, Gila Monsters, and Mexican Beaded lizards are the only venomous reptiles found in Texas. They are passive and not aggressive. The yellow-spotted lizard described in the book does not exist. There are five kinds of reptiles. Snakes, lizards, turtles, crocodiles and tuatara.
Lizards can grow new tails.
There are only 2 poisonous lizards out of about three thousand. These lizards are mostly found in Mexico and Southwestern United States. A bite from either can kill you but rarely happens.