Horses and cows sleep standing up but can only dream lying down.

Some beetles produce defensive chemicals to deter predators.

Fact #481 · Animals

Certain birds of prey have exceptionally sharp vision.

Fact #434 · Animals

A tiger’s stripes are unique like human fingerprints.

Fact #468 · Animals

Some snakes can sense heat using specialized pits.

Fact #408 · Animals

Dragonflies can fly in all directions, including backward.

Fact #352 · Animals

Some species of frogs can survive being partially dehydrated.

Fact #444 · Animals

Crows can recognize individual human faces.

Fact #15 · Animals

A cheetah can accelerate from 0 to 60 mph in a few seconds.

Fact #363 · Animals