Loneliness has been shown to be as harmful as smoking multiple cigarettes per day.

Some birds sing complex songs to mark territory.

Fact #517 · 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

Owls can rotate their heads up to about 270 degrees.

Fact #38 · Animals

Some birds migrate thousands of miles each year.

Fact #77 · Animals

A snow leopard’s wide paws act like natural snowshoes.

Fact #577 · Animals

A cuttlefish can camouflage almost instantly.

Fact #383 · Animals

Some spiders use vibrations to detect trapped prey.

Fact #455 · Animals