Snakes and lizards have distinct body movement patterns. Lizards bend from side to side as they retract their legs to walk or run. Snakes, on the other hand, slither and undulate, like a wave that ...

Why bother running on hind legs when the four you've been given work perfectly well? This is the question that puzzles Christofer Clemente. For birds and primates, there's a perfectly good answer: ...

Consider the lizard. Those that climb need to be both fast and stable to avoid predation and find food. A robot made to mimic their movements has shown how the rotation of their legs and the speed at ...

The northern alligator lizard is a small lizard found in the northwestern United States. They have a lot of similarities to their southern counterpart, but they tend to stay in the wooded areas of ...