The heart of a blue whale is so large that a small child could swim through its arteries.

A squid can propel itself rapidly by jetting water.

Fact #417 · Animals

A group of porcupines is called a prickle.

Fact #358 · Animals

Many birds use Earth's magnetic field for navigation.

Fact #388 · Animals

Crows can recognize individual human faces.

Fact #15 · Animals

A camel can drink large amounts of water in a short time.

Fact #458 · Animals

Some sharks can reproduce without a mate in rare cases.

Fact #544 · Animals

Certain frogs can inflate themselves to appear larger to predators.

Fact #377 · Animals

Many species of beetles have hardened wing covers called elytra.

Fact #457 · Animals