Sibley's Birding Basics

This book introduces readers to the basic information that underlies the techniques of modern bird identification.  It is a beginner’s guide to the concepts and tools of bird identification; topics such as molt, feather wear, shape, structure, and feather patterns, to name a few.  Understanding the basis of the appearance and variation of birds will help any birder of any level advance to make quicker and more accurate identifications.  Author:  David Allen Sibley