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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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Did crocodiles descend from dinosaurs?

Crocodiles look a lot like dinosaurs, and they have certain similar characteristics. But are they related at all, or are the similarities all coincidence?


Alligators Go Back 6 Million Years Further Than Thought

New fossil analysis illuminates the evolution of the modern American gator species, and why it may prefer freshwater sources — like your local golf course. See more »

Nile Crocodiles Retiring to South Florida?

Researchers have found three of these massive predators in South Florida. Could they join the ranks of Burmese pythons and other invasive species that call Florida home? See more »

Alligators Fatter and Happier Courtesy of Wading Birds

We knew that wading birds like to use alligators as their guard dogs, but now researchers have figured out exactly how alligators benefit from the deal. See more »

What's the deal with crocodile tears?

Just how deceitful a creature is the sharp-toothed, swimming crocodile? Any more so than the other animals inhabiting our waters? They do cry, but it has nothing to do with insincerity. See more »

Did crocodiles descend from dinosaurs?

Crocodiles look a lot like dinosaurs, and they have certain similar characteristics. But are they related at all, or are the similarities all coincidence? See more »

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

Every once in a while, you'll hear about a giant reptile sneaking into suburbia. But have you ever wondered whether that's an alligator or crocodile leisurely drifting in your swimming pool? See more »

Alligator Pictures

Alligators have been around for millions of years, and they are about as close as humans will ever get to seeing a living dinosaur. This image gallery will give you a glimpse into this archaic reptile's various life stages. See more »

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. See more »