alligators & crocodiles library

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

Caiman

Featured Article: Caiman

Caiman, a four-legged reptile of the alligator family. Caimans closely resemble alligators in appearance, with long, thick, tapering tails and elongated snouts. See more »

Alligator Quiz

Quiz Corner: Alligator Quiz

Lurking in southern swamps from the Carolinas to Louisiana, alligators' place in folklore is both well-established and well-deserved. Get too close to one, and you'll find that their predatory abilities are no tall tale. What makes them so dangerous?

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How Alligators Work

How Alligators Work

Alligators are amazing animals that have been around for millions of years. These fearsome creatures are expert predators at the top of the food chain.

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Alligator

Alligator

Alligator, a large reptile that inhabits swamps, rivers, lakes, and marshes. There are two species of alligators.

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Caiman

Caiman

Caiman, a four-legged reptile of the alligator family. Caimans closely resemble alligators in appearance, with long, thick, tapering tails and elongated snouts.

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Crocodile

Crocodile

Crocodile, the largest of living reptiles, found throughout the tropical and subtropical regions of the world.

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Gavial

Gavial

Gavial, or Gharial, a large reptile related to the crocodile. The Indian gavial is found near rivers in Pakistan, India, Nepal, and Bangladesh.

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