The peacock spider's abdomen displays a pattern only 0.5 mm wide — intricate enough to fool the eye.

Some species of octopus can change both color and texture.

Fact #343 · Animals

Clownfish can change sex during their lifetime.

Fact #361 · Animals

Some mammals, like bats, use echolocation.

Fact #465 · Animals

Certain insects communicate using vibrations.

Fact #430 · Animals

A hyena’s jaw is powerful enough to crush bone.

Fact #502 · Animals

Dragonflies can fly in all directions, including backward.

Fact #352 · Animals

Certain species of fish build bubble nests.

Fact #511 · Animals

Some birds can fly at high altitudes over mountains.

Fact #323 · Animals