Large marine mammals of the order CETACEA. In the past, they were commercially valued for whale oil, for their flesh as human food and in ANIMAL FEED and FERTILIZERS, and for baleen. Today, there is a moratorium on most commercial whaling, as all species are either listed as endangered or threatened
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Beaked whales. : Beaked whales : a complete guide to their biology and conservation / Richard Ellis, James G. Mead ; illustrations by Richard Ellis
2017
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Beaked whales -- Conservation : Beaked whales : a complete guide to their biology and conservation / Richard Ellis, James G. Mead ; illustrations by Richard Ellis
2017
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Beaked whales -- Identification : Beaked whales : a complete guide to their biology and conservation / Richard Ellis, James G. Mead ; illustrations by Richard Ellis
