Field guide to marine mammals of the Pacific Coast Baja, California, Oregon, Washington, British Columbia / [electronic resource] :
Sarah G. Allen and Joe Mortenson ; illustrated by Sophie Webb.
- Berkeley : University of California Press, 2011.
- xiii, 569 p. : ill. (chiefly col.), maps (chiefly col.).
- California natural history guides ; 100 .
Includes bibliographical references and index.
Electronic reproduction. Palo Alto, Calif. : ebrary, 2011. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.
Marine mammals--Pacific Coast (North America) Marine mammals--Pacific Coast (North America)--Identification.