Download or read book Bird Coloration written by Geoffrey Edward Hill and published by Harvard University Press. This book was released on 2006-03 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this sumptuously illustrated companion volume to Bird Coloration, Volume 1: Mechanisms and Measurements, the authors explain the function of the colorful displays of birds and examine the factors that shape the evolution of color signals.