All turtles are able to snap, but not every turtle is a snapping turtle. You can identify the two most common species by their shell, head shape, and behaviors.

Snapping turtles are large freshwater turtles that are unable to withdraw their head and legs fully into their shells, and so have extremely powerful jaws that they use to defend themselves with by ...

Add Yahoo as a preferred source to see more of our stories on Google. Thomas B Lee/Shutterstock Turtles are some of the oldest reptiles in the world — and to some reptile enthusiasts, they might be ...