Cats have retractable claws that help them climb and hunt.

A kangaroo uses its tail for balance while hopping.

Fact #474 · Animals

A leopard's rosette spots help camouflage it in forests.

Fact #423 · Animals

Certain birds of prey have exceptionally sharp vision.

Fact #434 · Animals

Some species of sharks must keep moving to breathe.

Fact #284 · Animals

Some birds sing complex songs to mark territory.

Fact #517 · Animals

Certain birds use mud to construct their nests.

Fact #562 · Animals

Certain frogs can glide from tree to tree.

Fact #394 · Animals

Some snakes can sense heat using specialized pits.

Fact #408 · Animals