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Found inside – Page 84A huge seal with 2 large , white tusks ; bay color when dry , black when wet . No other marine mammal has these characters . Habitat : Ice floes and islands ... Found inside – Page 418There are three basic methods that marine mammals use to obtain prey from the ... These species engulf large amounts of water and prey, then filter the ... Found inside – Page iiiThis comprehensive book provides new insights into the morphological, metabolic, thermoregulatory, locomotory, diving, sensory, feeding, and sleep adaptations of Cetacea (whales and dolphins), Pinnipedia (seals, sea lions and walrus), ... With case note biographies, and introduced with a powerful and moving essay by Jane Goodall, this book celebrates the great apes-at a moment in time their survival is threatened. Found inside – Page 67Among the common pinniped ( finfooted ) mammals inhabiting the Arctic are the walrus and the harp , bearded , hooded , ringed , and harbor ... Whales of the arctic seas are grouped into two general categories : the toothed whales and the baleen whales . ... This strange - looking whale has long been hunted for its single , twisted , tapered ivory tusk which resembles a very long corkscrew . ... Another marine mammal that exploits the sea bottom is the huge and streamlined walrus . This book concentrates on the marine mammalian group of Odontocetes, the toothed whales, dolphins, and porpoises. Berta and Sumich have succeeded yet again in creating superior marine reading! This book is a succinct yet comprehensive text devoted to the systematics, evolution, morphology, ecology, physiology, and behavior of marine mammals. Publication of the UN Convention on Migratory Species covering cetacea, their behavior, distribution, and migration patterns. Found insideThe last (very modest) and only treatise published on this subject was in 1981 so this book fills a fundamental gap in our knowledge of what is now known, and what is not, about the coccidian parasites that infect and sometimes kill ... This book focuses upon the hunting of seals and whales in the North Atlantic region, and how the activities of urban-based environmentalism has prompted responses from diverse northern peoples associated with self-determination, human ... While most books on dentistry describe the clinical and medical procedures involved, this book expands the field to examine the role of dentistry and teeth in everything from biology to biography. In an adaptation of the Mother Goose poem "This Is the House that Jack Built," animals of the Arctic--including an Inuit hunter--are introduced through rhythmic stanzas and colorful art. Found inside – Page 428Certainly not , but there is a huge marine mammal , the morse ( Trichechus rosmarus ) , which has been called by all these names more or less appropriately . The morse inhabits the Arctic Regions , amid ice and icebergs . ... Out of its strong , heavy muzzle spring two large ivory tusks , long and slightly greenish , which form very hard and strong weapons of defence . ... In fine weather hundreds of morses may be seen gambolling in the water , rending the air with their roars , which are ... Found inside – Page 70RETURN TO THE SEA Arctic shores and waters are the home of the polar bear , Thalarctos maritimus , and this harsh ... and the small group of reptiles and mammals that have made the transition back to the sea share a common restriction on their ... the true seals and the eared seals , are both carnivorous , feeding on a variety Among the marine reptiles , the iguanas of ... They are large thick - necked animals weighing as much as 3300 lb and are distinctive for the long tusks , their ... Native to all continents except Australia and Antarctica, recent paleontological and biological discoveries have deepened understanding of their evolution. This text reveals their evolutionary history. Found insideDoes it Fart? fills that void: a fully authoritative, fully illustrated guide to animal flatulence, covering the habits of 80 animals in more detail than you ever knew you needed. What do hyena farts smell especially bad? Found inside – Page 39They live in the Arctic, where they hunt for mollusks and other small prey in shallow water. Both male and female walruses have huge tusks, ... Found inside – Page 18Walruses live in freezing ocean water in the Arctic region. These huge marine mammals spend about two-thirds of their lives in the ocean. Major climate-induced changes -- Consequences of climate change -- Measures for adaptation to climate change -- Conclusions -- References. Comprehensive manual for understanding and carrying out marine mammal rescue activities for stranded seals, manatees, dolphins, whales, or sea otters. Found insideArctic. Waters. Look at the top part of a globe or a map to see where the ... All of these different native groups hunt marine mammals as an important ... Found inside – Page 25Many scientists class polar bears as marine mammals . ... When a seal pops up , the bear kills its prey with a single swipe of its massive paws . Found insideThewalrusisfoundin Arctic regions and is notable forits two huge, continuouslygrowing tusks madeof ... Malesaremuch larger than females andhave largertusks. Found inside – Page 23Their meat is eaten by Arctic peoples and the tusks are carved for ivory and for souvenirs . sizes of 100 feet and 100 tons , greatly ... By comparison , the largest documented specimen of the largest species of carnivorous shark , the great white , was 21 feet ... Other toothed whales , the white or beluga whale , and the narwhal , are found only in Arctic seas . ... cuttlefish , a variety of species of small schooling fish ; in the case of sperm and killer whales , marine mammals , such as seals ... Narwhal tells the story of the whale that has captured the imagination of the world for centuriesit truly reveals an Arctic legend However, there are many forces operating to affect adversely the lives of whales, seals, manatees, otters and polar bears – and this book explores how the welfare of marine mammals has been affected and how they have adapted, moved, ... Found inside – Page 98... haul-outs marine mammals and is easily – poses a bigger threat. recognizable by its huge, blubbery LENGTH REGION/HABITAT 98 98 Arctic Up to 111⁄2ft (3.5 ... Found inside – Page 160The Narwhal is unique in that the males of which have a bizarre long tusk, ... DISTRIBUTION: Almost circumpolar in Arctic waters, only absent from north and ... Found insideLavishly illustrated with over 800 colour photographs and 155 maps, this is a visually stunning reference work on the birds that live in and visit Nunavut. Found inside – Page 5The hooded or Banded or bladdernose seal ribbon seals is the largest of are found only Arctic true in the North seals . Pacific . Tundra Permanent ice Asia ... Found insideDrawing on her own experience living with and interviewing indigenous people in the region, Bathsheba Demuth presents a profound tale of the dynamic changes and unforeseen consequences that human ambition has brought (and will continue to ... Found inside – Page 395Arctic foxes with fur that offers better insulation from cold than any ... both land and marine ( polar bears are classed as marine mammals ) , they ... This handy guide provides marine biologists and interested lay people with detailed descriptions of diagnostic features, illustrations of external appearance, beautiful photographs, dichotomous keys, and more. Taking an integrated approach to the biology of marine carnivores, cetaceans, and sirenians, twenty-two prominent researchers compare marine mammals with one another and with terrestrial mammals, providing a framework for fundamental ... Found inside – Page 363Mysticete whales are among the largest animals months are typical ... They are broadly distributed on icecovered waters throughout the arctic . The Salish Sea is fed by the almost constant influx of freshwater from British Columbia's Fraser River and thousands of smaller rivers and streams on both sides of the border. Found insideMediterranean Marine Mammal Ecology and Conservation, the latest edition of the Advances in Marine Biology series providing in-depth and up-to-date reviews on all aspects of marine biology since 1963, presents the latest information on ... With its companion volume, this book provides a complete survey of the teeth of vertebrates. It is the ideal resource for students and researchers in zoology, biology, anthropology, archaeology and dentistry. Found inside – Page 20Plants & Animals Polar Bear Polar bears live in the arctic region of ... These large marine mammals weigh a ton or more and have long canine teeth that ... Found inside – Page 263North Pacific may thus be driven upward with the blast , tending to ice of the largest stream , was imprisoned perfectly helpOcean ... Arctic Seas . of these huge mammals has within recent times been my traps to take along on the stage . ... ped on the east bound train , which came steaming along are nothing more nor less than monster marine mammals . ... Grampus stearnsii , Dall . the surface for the purpose of respiration ; and , in relation spiral tusk growing from the left side of its ... Taking an ecological approach and intended for non-science majors, the text provides succinct coverage of the content while the photos and art clearly illustrate key concepts. Found inside – Page 15WALRUSES FAMILY ODOBENIDAE ALLEN , 1880 Walruses are large animals whose heads seem small in comparison with their huge bodies . ... The walrus is almost circumpolar in the Arctic seas of the Northern Hemisphere . ... Males are considerably larger than females . ... 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