are more closely related to snakes than they are to other lizards. Living lizards range in size from chameleons and geckos a few centimeters long to the 3-meter-long Komodo dragon.

Most lizards are quadrupedal, running with a strong side-to-side motion. Some lineages (known as "legless lizards") have secondarily lost their legs, and have long snake-like bodies. Some lizards, such as the forest-dwelling