Alligators and Crocodiles are reptilian relatives but are distinguished by the width of the snout. Alligators have fatter, rounder snouts than crocodiles.
Lizards usually have a small head, a short neck and a long tail. There are more than 4,600 species of lizards including iguanas, chameleons, geckos and gila monsters, among others.
Snakes have a long, flexible body that is covered with dry scales. Snakes flick their forked tongues to bring in odors to their sensory glands.
Reptiles are beautiful creatures that have evolved since the beginning of time. Check out these articles about all kinds of unique reptiles.
Mamba is a poisonous snake of tropical and southern Africa. It is related to the cobra, but, unlike the cobra, cannot expand its neck into a hood.
Adder, the name of several snakes, including many European vipers and harmless North American snakes.
Moccasin is a poisonous snake related to the copperhead and rattlesnake. It is found in swamps, lakes is and rivers in North America, Mexico is and South America.