Snakes have adapted to climb trees, leap across hot sand, and even swim through water — all without arms or legs. What’s their secret? Mike Bock This corn snake, shown here at the Smithsonian's ...

Gray rat snakes, commonly called chicken snakes, are non-venomous and known for their climbing ability due to their unique body shape. They climb trees to hunt birds, eggs and squirrels, and to bask ...

This ancient, leg-bearing snake is rewriting the story of how serpents slithered, and sometimes walked, their way through evolutionary history.