Differences Between Crocodiles and Alligators
The lifespan of the Nile crocodile (70-100 yrs) is about double that of the American alligator (30-50 yrs).
Crocodiles vs. Alligators
Key Facts In This Video
Crocodiles are the closest living relative to dinosaurs alive today. (0:37)
Alligator teeth have more of an overbite, and their teeth are mostly hidden when their mouths are closed. (2:17)
There are only two species of alligator, one in the U.S. and one in China. (2:51)