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

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 ...

Christmas Island red crabs are famous throughout Australia and the world for their bright red color and for their spectacular annual migration to the sea. Millions of crabs become rivers of red as ...

These seabirds are known for their wild look and sound—no wonder they're sometimes called the rock stars of the penguin world ...

Bactrian camels have two humps on their backs where they store fat. Their nostrils close to block sand, and their bushy eyebrows and two rows of long eyelashes protect their eyes from blowing sand and ...

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 ...

These insects get their name because they have very long front legs that they hold in a position that reminds people of praying.

Red-bellied piranhas live in lakes and rivers in South America. They sometimes use their mighty mouths to gobble up other fish or animals such as shrimp, worms, and mollusks. They swim and hunt in ...

These horses are smaller than most domestic horse species and have stocky bodies, large heads, thick necks, upright manes, and a dark stripe down their backs. Their underbellies and muzzles have pale ...

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