ISBN: 0870446991

Edition: Revised edition.

Description: 406 pages : color illustrations ; 29 cm.

Notes:

• Includes index.
• Bibliography: pages 398-399.

Control Number: 342240

Series:

• Natural science library
• Natural science library.

Subjects: Mammals -- North America.

Other Authors:

• National Geographic Book Service.
• National Geographic Society (U.S.)