This work describes 120 species of the world's whales, dolphins, porpoises, seals and sealions, sirenians (sea-cows and dugongs), sea otters, and the Polar Bear. It covers identification, lifestyle, f
The National Audubon Society Guide to Marine Mammals of the World describes in fascinating detail all 120 species of the world's whales, dolphins, porpoises, seals and sea lions, manatees, Marine and