The cookiecutter shark removes circular plugs of flesh from larger animals.

Some reptiles can live for over a century.

Fact #319 · Animals

Certain insects can enter a dormant state called diapause.

Fact #399 · Animals

Certain birds use thermal air currents to glide efficiently.

Fact #499 · Animals

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

Fact #386 · Animals

Some sharks detect electrical signals from other animals.

Fact #128 · Animals

A walrus uses its tusks to haul itself onto ice.

Fact #536 · Animals

Some species of snakes give live birth instead of laying eggs.

Fact #540 · Animals

The African elephant is the largest land animal alive today.

Fact #403 · Animals