Crocodilians are undoubtedly iconic animals. While crocodilians account for less than a quarter of a percent of reptile species, nine of the ten most massive reptiles are crocodilians (Leatherback Sea Turtles hold 4th place). The order Crocodilia currently contains 27 described species in three families—true crocodiles (Crocodylidae), alligators and caimans (Alligatoridae), and the gharial (Gavialidae). All crocodilians are tropical except for the American and Chinese Alligators, which live in temperate climes. They have stout bodies, four legs, and long snouts full of teeth. They are carnivorous predators who can see, hear, and smell underwater. They have elliptical pupils and excellent night vision.
This lesson is part of Certified Herpetological Guide. Enrollment is self-paced, with no deadline to finish (about 50 hours).
