A group of cats is called a clowder; a group of kittens is a kindle.

Some fish build intricate sand nests.

Fact #436 · Animals

Orcas are highly social animals that live in pods.

Fact #395 · Animals

Some insects undergo complete metamorphosis.

Fact #289 · Animals

Certain fish clean parasites from larger fish.

Fact #422 · Animals

A puffin can carry multiple fish in its beak at once.

Fact #567 · Animals

Certain species of ants farm aphids for food.

Fact #360 · Animals

Certain birds perform elaborate mating dances.

Fact #507 · Animals

Bats are the only mammals capable of sustained flight.

Fact #58 · Animals