Designed to enhance the birding experience and to enrich the popular study of North American birds, the book combines more than 795 of full-color illustrations with authoritative text by 48 expert birders and biologist, This new guide shows how birds live and what they do. Introductory essays outlive the principles if avian evolution, life cycle, body structure, flight dynamics, and more. This is an indispensable source of information on the avian...