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crocodiles

Crocodiles
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Crocodiles

Crocodiles today differ little from their ancestors of 20 million years ago. These aquatic reptiles have armored upper bodies and long, slender, tooth-filled snouts.

Worldwide, 13 species of crocs inhabit tropical rivers, lakes, and swamps of Asia, Africa, Australia, and the Americas. Nile and Australian species pose the greatest threat to humans.

BBC
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Crocodile Feeding Frenzy: High-Speed Bite

Crocodile Feeding Frenzy: High-Speed Bite

A high-speed camera captures a croc’s split-second assault on a watermelon. Forceful chomps sometimes break teeth, but no worries — they regenerate. (Crocs can go through 2,000 sets in a lifetime!) More...

Video
Discovery
Ancient Crocodile ‘‘Missing Link’’ Discovered

Ancient Crocodile ‘‘Missing Link’’ Discovered

Some 80 million years ago, Montealtosuchus arrudacamposi — a land-dwelling ancestor of the modern crocodile — shared the Earth with the dinosaurs. More...

Article
National Geographic
The Differences Between Alligators & Crocodiles

The Differences Between Alligators & Crocodiles

Alligators and crocodiles are native to only one U.S. state. Caimans now also live there in the wild. Find out where and the details of how to tell these closely related species apart. More...

Video
The Gator Farm
American Crocodile

American Crocodile

The Everglades are home to American crocodiles and their close alligator cousins. Crocs are the rarer of the two species, which makes a croc sighting extra special. Check out these photos. More...

Images
National Park Service
Crocodiles Can Climb Trees

Crocodiles Can Climb Trees

When scoping out crocodiles, it’s not enough to keep an eye on the water and the shore. You also need to look up: Crocs can climb trees! Find out more. More...

Article
Reuters
Crocodiles Have Strongest Bite Ever Measured

Crocodiles Have Strongest Bite Ever Measured

Move over, T. rex. Scientists measured the bite force of all modern crocodilians — crocs, caimans, gharials, and alligators — and the saltwater croc came out on top. Its bite force rivals that of the great dinosaur. More...

Article
National Geographic
How to Measure a Crocodile

How to Measure a Crocodile

Q: How do you measure a gharial, a large Indian crocodilian with a very narrow snout? A: Very carefully — with a camera, a computer, and a 6-foot human. Watch how. More...

Video
NATURE/PBS
Interactive Crocodile Anatomy

Interactive Crocodile Anatomy

From snout to tail, the crocodile is a highly evolved creature, well adapted to its watery environment. Explore the croc's amazing anatomical features. More...

Interactive
NATURE/PBS
Pet Crocodile Quiz

Pet Crocodile Quiz

Take this quiz to get the inside scoop on owning a pet crocodile. Then, visit the dogs, cats, and rabbits needing homes at your local shelter. (What did you expect?) More...

Interactive
Animal Planet
Rescuing a Predator

Rescuing a Predator

Improving the odds for survival, Venezuelan hatcheries are caring for clutches of Orinoco crocodile eggs to bring South America’s largest predator back from the brink of extinction. Find out more. More...

Video
New York Times

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