A guide to finding and observing 420 species of North American mammals, including the art of mammal watching, the best locations, and a species-finding guide.

This fourth edition has been completely rewritten, with all-new range maps and illustrations for all species.

Offers concise descriptions and detailed illustrations of the diverse mammal species and inlcudes specific guidelines on techniques of field identification.

Provides information about mammals in North America and north of Mexico.

The best field guide to North American mammals The best-selling field guide that "sets new standards" (New Scientist) and "makes all other field guides for mamm