National Geographic Bird Coloration
Author: Geoffrey Edward Hill
Publisher: National Geographic Books
Published: 2010
Total Pages: 256
ISBN-13: 1426205716
DOWNLOAD EBOOKWhy is a cardinal red and a bluebird blue? How has color camouflage evolved? These are just a few of the fascinating questions explored in this work on coloration and plumage, and their key role in avian life. 200 full-color photos.