A brief introduction to the physical characteristics and behavior of various marine mammals, particularly whales and dolphins.

"In the Encyclopedia of Whales, Dolphins and Porpoises, award-winning author and whale researcher Erich Hoyt takes readers into the field for an intimate encounter with some 90 species of cetaceans that make their homes in the world's oceans. Drawing on decades of firsthand experience and a comprehensive familiarity with the current revolution in cetacean studies, Hoyt provides unique insights into the life histories of these compelling marine mammals....