An award-winning author and whale researcher takes readers into 'the field' for an intimate encounter with some 90 species of cetaceans that make their homes in

Explores the physical characteristics, behavior, habitat, and feeding habits of these underwater mammals.

Covers anatomy, behavior, evolution, reproduction, intelligence, social orders, methods of communication and rearing of their young.

This thorough revision of the classic Encyclopedia of Marine Mammals brings this authoritative book right up-to-date. Articles describe every species in detail,