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Among all the large whales on Earth, the most unusual and least studied is the narwhal, the northernmost whale on the planet and the one most threatened by global warming. Narwhals thrive in the fjords and inlets of northern Canada and Greenland. These elusive whales, whose long tusks were the stuff of medieval European myths and Inuit legends, are uniquely adapted to the Arctic ecosystem and are able to dive below thick sheets of ice to depths of up to 1,500 meters in search of their prey-halibut, cod, and squid.Join Todd McLeish as he travels high above the Arctic circle to meet:Teams of scientific researchers studying the narwhal's life cycle and the mysteries of its tuskInuit storytellers and huntersAnimals that share the narwhals' habitat: walruses, polar bears, bowhead and beluga whales, ivory gulls, and two kinds of sealsMcLeish consults logbooks kept by whalers and explorers and interviews folklorists and historians to tease out the relationship between the real narwhal and the mythical unicorn. In Colorado, he visits climatologists studying changes in the seasonal cycles of the Arctic ice. From a history of the trade in narwhal tusks to descriptions of narwhals' vocalizations as heard through hydrophones, Narwhals reveals the beauty and thrill of the narwhal and its habitat, and the threat it faces from a rapidly changing world.Watch the trailer: http://www.youtube.com/watch?v=gHwaqdKyLCQ&list=UUge4MONgLFncQ1w1C_BnHcw&index=9&feature=plcp
Narwhal. --- Monodon microcephalus --- Monodon monoceros --- Monodon monodon --- Monodon narhval --- Monodon vulgaris --- Narwal --- Narwhale --- Narwhals --- Monodon --- NATURE --- SCIENCE --- Natural science --- Natural sciences --- Science of science --- Sciences --- Animals --- Marine Life. --- Life Sciences --- Zoology --- Mammals.
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Penaeidae --- Penaeus monodon --- Élevage de crustacés --- Crustacean culture --- Performance de ponte --- Laying performance --- Performance animale --- Animal performance --- Performance de reproduction --- Reproductive performance --- Écloserie piscicole --- fish hatcheries --- Viet Nam --- 639.512 --- <597> --- Shrimps and prawns --- Vietnam --- Theses --- <597> Vietnam --- 639.512 Shrimps and prawns
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Penaeus monodon --- Élevage de coquillages et crustacés --- Shellfish culture --- Méthode d'élevage --- animal husbandry methods --- Santé animale --- Animal health --- India --- 639.512 --- Shrimps and prawns --- Shrimp culture --- Zoology and Animal Sciences. Aquaculture and Fisheries --- Management --- Aquaculture --- Husbandry and Management --- Husbandry and Management. --- 639.512 Shrimps and prawns
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Mammals --- Whales --- Eschrichtius robustus --- Eubalaena australis --- Grey Whale --- Monodon monoceros --- North Atlantic Right Whale --- Beaked Whales --- Berardius --- Caperea --- Dwarf Sperm Whale --- Giant Bottle-Nosed Whales --- Goose-Beaked Whale --- Gray Whale --- Mesoplodon --- Narwhals --- Pygmy Right Whale --- Pygmy Sperm Whale --- Right Whale, North Atlantic --- Right Whale, Southern --- Ziphiidae --- Ziphius --- Beaked Whale --- Bottle-Nosed Whale, Giant --- Bottle-Nosed Whales, Giant --- Dwarf Sperm Whales --- Giant Bottle Nosed Whales --- Giant Bottle-Nosed Whale --- Goose Beaked Whale --- Goose-Beaked Whales --- Gray Whales --- Grey Whales --- Narwhal --- Pygmy Right Whales --- Pygmy Sperm Whales --- Right Whale, Pygmy --- Right Whales, Pygmy --- Right Whales, Southern --- Southern Right Whale --- Southern Right Whales --- Sperm Whale, Dwarf --- Sperm Whale, Pygmy --- Sperm Whales, Dwarf --- Sperm Whales, Pygmy --- Whale --- Whale, Grey --- Whale, Southern Right --- Whales, Grey --- Whales, Southern Right --- Cetacea --- Classification --- Anatomy --- Evolution --- classification --- anatomy --- evolution
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