The blue whale is the largest animal to have ever lived on Earth, reaching lengths of up to 100 feet.

A zebra’s stripes may help confuse predators.

Fact #500 · Animals

Some snakes can sense heat using specialized pits.

Fact #408 · Animals

A kangaroo cannot walk backward easily.

Fact #375 · Animals

Some birds can see ultraviolet light.

Fact #120 · Animals

Some species of bats use echolocation to hunt in darkness.

Fact #390 · Animals

Some ants cultivate fungus as a food source.

Fact #521 · Animals

Some butterflies migrate thousands of miles.

Fact #262 · Animals

A parrot can mimic human speech sounds.

Fact #429 · Animals