Marine Mammals of the World : A Comprehensive Guide to Their Identification download PDF, EPUB, MOBI, CHM, RTF. Marine Mammals of the World: A Comprehensive Guide to Their Identification. Marine mammals have the same characteristics as all other mammals, but they have adapted to living all or part of their life in the ocean. To keep warm in the ocean, most of them depend on a thick layer of blubber (or fat). Buy Marine Mammals of the World - A Comprehensive Guide to Their Identification Thomas Jefferson | 9780124095427 | 2015 from This new edition of Marine Mammals of the World describes and illustrates newly discovered and rarely photographed species, making it the most comprehensive and up-to-date identification guide available. This edition continues to meet the