Representatives of several families are limbless and resemblesnakes, whereas others have long hind legs that permit bipedallocomotion. Male lizards may be outfitted with a wide array of ornamentation—such as extensible throat fans and frills, throat spines, horns or casques on the head, and tail...
The Komodo dragon (Varanus komodoensis), for example, has serrated teeth that are curved like a scalpel blade; these teeth can cut through the leg muscle of a full-grown water buffalo (Bubalus bubalis) and cause it to bleed to death. In contrast, mollusk and crustacean feeders, such as ...