Ravens have been observed playing — sliding down snowy rooftops and rolling down hillsides apparently for fun.

Elephants can detect distant thunderstorms through ground vibrations.

Fact #347 · Animals

Certain insects can mimic leaves to avoid predators.

Fact #463 · Animals

Elephants communicate using low-frequency sounds.

Fact #51 · Animals

Certain fish change sex during their lifetime.

Fact #503 · Animals

A tiger’s stripes are unique like human fingerprints.

Fact #468 · Animals

Some birds can imitate sounds from their environment.

Fact #489 · Animals

A sea otter uses its chest as a surface for cracking shells.

Fact #530 · Animals

Some birds migrate using landmarks and stars.

Fact #477 · Animals