Birds and feathers go together, like trees and leaves, like stars and the sky. All birds have feathers, but no other animals do. Most birds have thousands of feathers, but those feathers aren't all the same. That's because feathers have so many different jobs to do. Excerpted from Feathers: Not Just for Flying by Melissa Stewart All rights reserved by the original copyright owners. Excerpts are provided for display purposes only and may not be reproduced, reprinted or distributed without the written permission of the publisher.