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Whales Dolphins And Porpoises Pdf

whales dolphins and porpoises pdf

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Protected Species (Whales, Dolphins, Porpoises, Seals, and Sea Turtles) in the Gulf of Maine

Mark Carwardine. Not for sale in the Commonwealth except Canada and the European Union. The most authoritative reference guide to every cetacean species and subspecies in the world. Handbook of Whales, Dolphins, and Porpoises of the World is the most comprehensive and up-to-date guide to these popular mammals. With nearly 1, accurate color illustrations—complete with detailed annotations pointing out significant field marks—this outstanding book covers all 90 species and every subspecies of cetaceans around the globe. Leading cetacean biologists have collaborated with pioneering conservationist Mark Carwardine on the concise text, which is packed with helpful identification tips. From the blue whale to the Indo-Pacific finless porpoise, the illuminating species accounts are accompanied by abundant distribution maps and photographs.

In the Encyclopedia of Whales, Dolphins and Porpoises , award-winning author and whale researcher Erich Hoyt takes readers into the field for an intimate encounter with some 90 species of cetaceans that make their homes in the world's oceans. Drawing on decades of firsthand experience and a comprehensive familiarity with the current revolution in cetacean studies, Hoyt provides unique insights into the life histories of these compelling marine mammals. Here are discoveries about cetacean biology and behavior, from the physical differences and adaptations among the baleen and toothed whales to their highly intelligent hunting and feeding methods. The courtship and mating practices, family relationships and the lifelong bonds among some family members are fascinating. The symphonic composer of the whale world is the humpback whale, whose complex minute songs reverberate across the liquid universe of the ocean.

Handbook of Whales, Dolphins, and Porpoises of the World

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Whales are a widely distributed and diverse group of fully aquatic placental marine mammals. They are an informal grouping within the infraorder Cetacea , usually excluding dolphins and porpoises. Whales, dolphins and porpoises belong to the order Cetartiodactyla , which consists of even-toed ungulates. Their closest living relatives are the hippopotamuses , having diverged about 40 million years ago. The two parvorders of whales, baleen whales Mysticeti and toothed whales Odontoceti , are thought to have split apart around 34 million years ago. Whales consist of eight extant families : Balaenopteridae the rorquals , Balaenidae right whales , Cetotheriidae the pygmy right whale , Eschrichtiidae the grey whale , Monodontidae belugas and narwhals , Physeteridae the sperm whale , Kogiidae the dwarf and pygmy sperm whale , and Ziphiidae the beaked whales.


Dolphins, Whales and Porpoises: – Conservation Action Plan for Whale- and dolphin-watching. Available: tapnetwork2015.org


Encyclopedia of Whales, Dolphins and Porpoises

Deep Thinkers: An exploration of intelligence in whales dolphins and porpoises

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Handbook of Whales, Dolphins, and Porpoises of the World

1 Comments

  1. Mehosileb

    02.05.2021 at 06:36
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