Our storybooks are full of lizards, but we usually call them something else--dragons, serpents, dinosaurs or monsters. These stories vastly increase their size, bestow wings upon them, make them exhale flame, and endow them with magical powers. Lizards stimulate the human imagination unlike most other animals, despite generally being small, soundless, and hidden from sight in burrows, treetops, and crevices. They can blend into a vast range of environments, from rocky coasts to deserts to rain forests. Their fluid motion can make us think of water, while their curvilinear form suggests...