10 Animal Look-alikes. Judy Diehl and David Plumb. Illustrated by Vlasta van Kampen. Annick Press, 2000. Review by Joan Payzant.
American crocodiles have two bottom teeth that stick out when their mouths are closed.
All American crocodiles show the same teeth - the fourth one from the front, on each side. American alligators don't have teeth that stick out when their jaws are shut. The snouts of an American alligator and an American crocodile are different, too. An American alligator's snout is wider and rounder than the snout of an American crocodile. But don't expect to be able to tell all alligators and crocodiles apart by their snouts.