Giraffes have the same number of neck vertebrae as humans — just 7, but each one is very large.

Many birds use Earth's magnetic field for navigation.

Fact #388 · Animals

A tarantula can survive for weeks without food.

Fact #353 · Animals

A blue whale's tongue can weigh as much as an elephant.

Fact #443 · Animals

Certain birds of prey can spot small animals from great heights.

Fact #483 · Animals

Certain fish clean parasites from larger fish.

Fact #422 · Animals

Some birds sing complex songs to mark territory.

Fact #517 · Animals

Certain fish clean parasites off larger fish.

Fact #523 · Animals

Certain birds use mud to construct their nests.

Fact #562 · Animals