Sea Mammals
- ISBN-10
- 0761430725
- ISBN-13
- 9780761430728
- Category
- Marine mammals
- Pages
- 104
- Language
- English
- Published
- 2009
- Publisher
- Marshall Cavendish
- Author
- Rebecca Stefoff
Description
Mammals originated on land. Millions of years ago, some of them adapted to life in the sea. They were the ancestors of today's sea mammals: whales, manatees, seals, otters, and more. Sea Mammals explores the origins and history of marine mammals, then looks at the many varieties that exist today, from the blue whale-the largest animal that has ever lived-to the vaquita, the world's smallest and most endangered sea mammal. It also focuses on the role of sea mammals in human life, the questions that fascinate marine mammal researchers, and the future of these creatures that share the oceans with fish and reptiles but are biologically closer to bears and elephants. Book jacket.
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Other editions
-
- 2023-09-26
- 225 pages
- Ebook
- Princeton University Press
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