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To a lot of people, alligators and crocodiles look very much alike. They're two different species with many notable differences. While both have tongues, just the alligator can stick his out.

<b>Crocodile Tongues</b>
A crocodile's tongue does not move. It's held in place in the roof of the mouth with a membrane. Because crocodiles spend as much time underwater, the tongue helps keep the throat closed, protecting the animal's airway. Unlike other species, the tongue plays no role in feeding.

<b>Crocodile Ingestion</b>
Crocodile are true carnivores, eating no plant substances. In their native Africa, they prey upon and eat several large mammals, catching them when they cease to drink or cross rivers. Crocodiles perform in smaller prey species with a fast snap of their strong jaws. Larger prey might succumb to a series of deep, crushing bites.