The Gila monster is one of only a few poisonous lizards in the world. The Gila (pronounced HEE-luh) is the largest lizard ...

A three-foot-deep watering hole in northeast India hums with buzzing insects and chirping birds. Suddenly seven Asian elephants stomp through the grass surrounding the pool and splash into the water.

Black rhinoceroses have a sort of attack-first-and-ask-questions-later attitude. When a rhino catches the scent of a human or anything else unfamiliar, it is likely to charge. Rhinos can't see well, ...

Canada geese usually graze together in fields, eating grasses, sedges, grains, and berries. Their bills have serrated edges, which helps them cut tough grass stems. In addition to grasses, sedges, ...

Related to modern day snakes and monitor lizards, Tylosaurus proriger lived during the Cretaceous period about 85 million years ago. (It's not a dinosaur!) It dwelled in an ancient body of water ...

Youngsters tumble, climb, and run playing follow the leader. Another group plays a rowdy game of king of the mountain. Several adults watch the action, relaxing nearby. Is this a playground scene at ...

Burmese pythons, one of the largest snakes in the world, are best known for the way they catch and eat their food. The snake uses its sharp rearward-pointing teeth to seize prey, and then coils its ...

Known as “America’s wolf,” red wolves are the only species of wolf that lives in the United States—and nowhere else.

A snow leopard peers down from a craggy rock ledge high in the peaks of Mongolia, a country in Asia. She’s on the lookout for a snack. The animal’s spotted beige fur allows her to blend in almost ...

Polar bears live along shores and on sea ice in the icy cold Arctic. When sea ice forms over the ocean in cold weather, many ...

The sun sets over a quiet backyard garden. A red fox sneaks into the yard, its nose in the air, sniffing loudly—it smells ...

Komodo dragons are the biggest and heaviest lizards on Earth. Full-grown adults can reach 10 feet (3 meters) long and weigh more than 300 pounds (140 kilograms)! Most weigh about 150 pounds (70 ...