The Sierra Club Handbook of Seals and Sirenians

This companion to the highly successful Sierra Club Handbook of Whales and Dolphins includes the pinnipeds (seals, sea lions, and walruses), sirenians (manatees, dugongs, and sea cows), otters (sea and marine only), and the polar bear. The text offers definitive information on every animal, including physical description, distribution, natural history, and the status of conservation efforts. 137 photographs; 43 color paintings.