Penguins are considered birds even though they cannot fly.

All birds can fly.

The ostrich is the largest living bird in the world.

Hummingbirds can fly backward.

The bald eagle is the national bird of the United States.

A group of owls is called a "parliament."

Parrots are the only birds that can mimic human speech.

Kiwi birds are native to Australia.

All birds build nests in trees.

Woodpeckers use their beaks to drum on trees and find insects.