Western Birds (Peterson Field Guide®)

Peterson Field Guides® are renowned for field guide excellence. The unique Peterson identification system is widely respected for its ease of use and accuracy. Each guide is bound with a tough, lightweight cover for repeated field use. The "Birder’s Bible" for more than 60 years, this classic title includes all species found in North America west of the 100th meridian and north of Mexico. The guide contains 165 full-color paintings that show more than 1,000 birds from 700 species. Summer and winter ranges, breeding grounds, and other special range data are shown on easy-to-read range maps. 

ISBN 9780547152707 • Author: Roger Tory Peterson