Some dolphins exhibit playful behavior even without reward.

Some snakes shed their skin multiple times a year.

Fact #485 · Animals

A polar bear’s sense of smell is extremely powerful.

Fact #486 · Animals

Some birds use tools to extract insects from wood.

Fact #416 · Animals

Some reptiles can survive long periods without food.

Fact #501 · Animals

A puffin uses its colorful beak to attract mates.

Fact #510 · Animals

Orcas are highly social animals that live in pods.

Fact #395 · Animals

Elephants have one of the longest gestation periods of any land animal.

Fact #386 · Animals

Penguins can drink salt water because of specialized glands.

Fact #362 · Animals