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Animals | Wild Animals | Alligators & Crocodiles

Alligators and Crocodiles are reptilian relatives but are distinguished by the width of the snout. Alligators have fatter, rounder snouts than crocodiles.

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The Contenders Quiz: Crocs

See if you can answer these true or false questions about the crocodilian species with ease. The more you know may help you determine the ultimate river champion in the Rumble in the River. At the end of this quiz, go on to test your hippo knowledge, too.


What's the difference: alligator or crocodile?

 What's the difference: alligator or crocodile?

Crocodiles and alligators are both green, scaly and toothy — but there's more to them than that. Prove you can spot the differences at HowStuffWorks. See more »

What's the deal with crocodile tears?

 What's the deal with crocodile tears?

Do crocodiles really have crocodile tears? Learn about crocodile tears and the history of the phrase. See more »

The Contenders Quiz: Crocs

 The Contenders Quiz: Crocs

See if you can answer these true or false questions about the crocodilian species with ease. The more you know may help you determine the ultimate river champion in the Rumble in the River. At the end of this quiz, go on to test your hippo knowledge, too. See more »

Did crocodiles descend from dinosaurs?

 Did crocodiles descend from dinosaurs?

Crocodiles and dinosaurs definitely lived during the same time, but how closely are they related? Did crocodiles descend from dinosaurs? See more »

What's the difference between an alligator and a crocodile?

 What's the difference between an alligator and a crocodile?

The difference between alligators and crocodiles stems from jaws and teeth. Learn how you can tell the difference between alligators and crocodiles. See more »

Amazing Animals: Alligator Quiz

 Amazing Animals: Alligator Quiz

Test your knowledge of alligators, animals that have been around for millions of years. Take the alligator quiz at HowStuffWorks. See more »

Alligator Pictures

 Alligator Pictures

Alligator pictures show these reptiles in all stages of life. Check out these pictures to see the rare white albino alligator and more. See more »

How Alligators Work

 How Alligators Work

Alligators are amazing animals that have been around for millions of years. Learn about alligators and find out what makes alligators the perfect predator. See more »