A group of crows is called a murder, a group of ravens is called an unkindness.

Some mammals, like bats, use echolocation.

Fact #465 · Animals

A red kangaroo is the largest marsupial.

Fact #480 · Animals

Blue whales can grow longer than 90 feet.

Fact #341 · Animals

Many species of beetles have hardened wing covers called elytra.

Fact #457 · Animals

Some species of ants wage organized territorial battles.

Fact #401 · Animals

Certain species of octopus are known to use coconut shells as shelter.

Fact #410 · Animals

Elephants have one of the longest gestation periods of any land animal.

Fact #386 · Animals

A porcupine raises quills as a defense mechanism.

Fact #524 · Animals