Whale
著者
書誌事項
Whale
（Eyewitness guides, 46）
Dorling Kindersley, 1993
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注記
Includes index
内容説明・目次
内容説明
The largest and most intelligent sea creatures whales have fascinated people for centuries. Along with dolphins seals and manatees they are mammals that all breathe air and feed on mother's milk. This is their fascinating story on which only recent study has started to shed light. Starting with the evolution of whales millions of years ago the book goes on to look inside a whale and at the different types of whale and other marine mammals. See a killer whale leaping out of the water a huge sperm whale diving a walrus' rolls of blubber and a group of cavorting dolphins. Discover how whales and seals were hunted for their meat and oil and how many are now threatened by fishing nets and water pollution. Full of amazing facts and superb photography Whale is a unique and compelling introduction to the mysterious lives of these magnificent mammals.
目次
- Sea mammals
- teeth
- ancestors
- senses
- diving
- killer whales
- sex at sea
- child care
- porpoises
- whaling
- conservation.
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