Millions of years of evolution...and still going strong!

American alligators live in the southern states (mostly Florida). The males can grow up to 18 feet long and weigh up to 800 pounds. Females are much smaller.

I dare to you find me a dentist!

Nile crocodiles are mainly found in southern Africa and Madagascar. They can grow up to 20 feet long and weigh as much as 2000 pounds.