Certain fish change sex during their lifetime.

A zebra’s stripes may help confuse predators.

Fact #500 · Animals

Certain species of frogs are active at night.

Fact #519 · Animals

Some birds can fly at high altitudes over mountains.

Fact #323 · Animals

A moose has long legs adapted for walking in snow.

Fact #518 · Animals

Narwhals are known for their long spiral tusks.

Fact #376 · Animals

Some beetles produce defensive chemicals to deter predators.

Fact #481 · Animals

An adult giraffe can clean its ears with its tongue.

Fact #248 · Animals

Some birds use tools to extract insects from wood.

Fact #416 · Animals