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Ebook Download Seals and Sea Lions Ebook SEALS AND SEA LIONS PDF, EPUB, EBOOK John Crossingham,Bobbie Kalman | 32 pages | 28 Feb 2006 | Crabtree Publishing Co,Canada | 9780778713234 | English | New York, Canada Seals and sea lions - CodyCross Answers Cheats and Solutions In one legend, seals, whales and other marine mammals were formed from her severed fingers. The Greeks associated them with both the sea and sun and were considered to be under the protection of the gods Poseidon and Apollo. Pinnipeds can be found in facilities around the world, as their large size and playfulness make them popular attractions. Zoologist Georges Cuvier noted during the 19th century that wild seals show considerable fondness for humans and stated that they are second only to some monkeys among wild animals in their easily tamability. Francis Galton noted in his landmark paper on domestication that seals were a spectacular example of an animal that would most likely never be domesticated despite their friendliness and desire for comfort due to the fact that they serve no practical use for humans. Some modern exhibits have rocky backgrounds with artificial haul-out sites and a pool, while others have pens with small rocky, elevated shelters where the animals can dive into their pools. More elaborate exhibits contain deep pools that can be viewed underwater with rock-mimicking cement as haul-out areas. The most common pinniped species kept in captivity is the California sea lion as it is both easy to train and adaptable. Other species popularly kept include the grey seal and harbor seal. Larger animals like walruses and Steller sea lions are much less common. They state that the exhibits could not be large enough to house animals that have evolved to be migratory, and a pool could never replace the size and biodiversity of the ocean. They also state that the tricks performed for audiences are "exaggerated variations of their natural behaviors" and distract the people from the animal's unnatural environment. California sea lions are used in military applications by the U. Navy Marine Mammal Program , including detecting naval mines and enemy divers. In the Persian Gulf , the animals have been trained to swim behind divers approaching a U. Navy officials say that the sea lions can do this in seconds, before the enemy realizes what happened. Humans have hunted seals since the Stone Age. Originally, seals were hit with clubs during haul-out. Eventually, seal hunters used harpoons to spear the animals from boats out at sea, and hooks for killing pups on ice or land. They were also trapped in nets. The use of firearms in seal hunting during the modern era drastically increased the number of killings. Pinnipeds are typically hunted for their meat and blubber. The skins of fur seals and phocids are made into coats , and the tusks of walruses continue to be used for carvings or as ornaments. This distinction is being questioned as indigenous people are using more modern weaponry and mechanized transport to hunt with, and are selling seal products in the marketplace. Some anthropologists argue that the term "subsistence" should also apply to these cash-based exchanges as long as they take place within local production and consumption. Commercial sealing was historically just as important an industry as whaling. Exploited species included harp seals, hooded seals, Caspian seals, elephant seals, walruses and all species of fur seal. The northern elephant seal was hunted to near extinction in the late 19th century, with only a small population remaining on Guadalupe Island. It has since recolonized much of its historic range, but has a population bottleneck. Several species of pinniped continue to be harvested. The Convention for the Conservation of Antarctic Seals allows limited hunting of crabeater seals, leopard seals and Weddell seals. However, Weddell seal hunting is prohibited between September and February if the animal is over one year of age, to ensure breeding stocks are healthy. Other species protected are southern elephant seals, Ross seals and Antarctic fur seals. This has been met with controversy and debate. Proponents of seal hunts insist that the animals are killed humanely and the white-coated pups are not taken, while opponents argue that it is irresponsible to kill harp seals as they are already threatened by declining habitat. The Caribbean monk seal has been killed and exploited by Europeans settlers and their descendants since , starting with Christopher Columbus himself. The seals were easy targets for organized sealers, fishermen, turtle hunters and buccaneers because they evolved with little pressure from terrestrial predators and were thus " genetically tame ". In the Bahamas , as many as seals were slaughtered in one night. Seal killings continued, and the last reliable report of the animal alive was in The IUCN declared it extinct in The last recorded individual was a juvenile in Some species have become so numerous that they conflict with local people. Since that year, California sea lion populations have risen to , These animals began exploiting more man-made environments, like docks, for haul- out sites. Many docks are not designed to withstand the weight of several resting sea lions. Wildlife managers have used various methods to control the animals, and some city officials have redesigned docks so they can better withstand use by sea lions. In the s and s, South African politicians and fisherman demanded that the fur seals be culled , believing that the animals competed with commercial fisheries. Scientific studies found that culling fur seals would actually have a negative effect on the fishing industry, and the culling option was dropped in Pinnipeds are also threatened by humans indirectly. They are unintentionally caught in fishing nets by commercial fisheries and accidentally swallow fishing hooks. Gillnetting and Seine netting is a significant cause of mortality in seals and other marine mammals. Species commonly entangled include California sea lions, Hawaiian monk seals, northern fur seals and brown fur seals. High levels of organic chemicals accumulate in these animals since they are near the top of food chains and have large reserves of blubber. Lactating mothers can pass the toxins on to their young. These pollutants can cause gastrointestinal cancers , decreased reproductivity and greater vulnerability to infectious diseases. From Wikipedia, the free encyclopedia. This is the latest accepted revision , reviewed on 21 October Infraorder of mammals. Further information: List of pinnipeds. Further information: List of fossil pinnipeds. Skeleton of California sea lion top and southern elephant seal. Harbor seal top and California sea lion swimming. The former swims with its hind-flippers, the latter with its fore-flippers. Further information: List of fictional pinnipeds. Main article: Seal hunting. In science, it is also sometimes restricted to the "true" seals of the family Phocidae. This article uses it for all pinnipeds. Prodromus Systematis Mammalium et Avium in Latin. Sumptibus C. Greenwood Publishing Group. Online Etymology Dictionary. Retrieved 8 August Mammal Review. Stanford University Press. History of North American pinnipeds, a monograph of the walruses, sea-lions, sea-bears and seals of North America. Washington: Government Printing Office. Bibcode : Sci Molecular Phylogenetics and Evolution. William Benton. Paleobiology Database. Retrieved 1 July Bulletin of the American Museum of Natural History. Molecular Biology and Evolution. BMC Evolutionary Biology. Zoological Science. Systematic Biology. Nikolaidis N ed. Bibcode : PLoSO Bibcode : Natur. Journal of Biogeography. Introduction to Marine Biology. Cengage Learning. Journal of Experimental Biology. Integrative and Comparative Biology. Journal of Zoology. The Anatomical Record. Aquatic Mammals. Experimental Brain Research. The Journal of the Acoustical Society of America. Bibcode : ASAJ.. Biology Letters. Journal of Comparative Physiology A. Marine Mammal Science. In Renouf, D. Behaviour of Pinnipeds. Chapman and Hall. Annual Review of Physiology. Respiration Physiology. The Journal of Neuroscience. The Journal of Wildlife Management. Polar Bears. Voyageur Press. Journal of Mammalogy. In Evans, P. Marine Mammals: Biology and Conservation. Ecological Monographs. Thesis, University of Alaska, College. Behavioral Ecology and Sociobiology. Behavioral Ecology. Canadian Journal of Zoology. The American Naturalist. Animal Behaviour. Arctic Studies Center —. Smithsonian National Museum of Natural History. Retrieved 10 August The Behaviour of Pinnipeds. Walker's Marine Mammals of the World. Johns Hopkins University Press. Archived from the original PDF on 3 March Marine Ecology Progress Series. Bibcode : MEPS.. Mammalian Species. Archived from the original PDF on 18 March Psychological Record. Journal of Comparative Psychology. Retrieved 30 October The Mythical Creatures Bible: The definitive guide to legendary beings. Sterling Publishing Company. Retrieved 29 July Thames and Hudson. Selasetur Working Paper Archived from the original PDF on 15 September In Bell, C. Encyclopedia of the World's Zoos. Reaktion Books. Retrieved 30 May USA Today. Retrieved 28 April ABC News. Retrieved 30 July Navy Marine Mammal Program. Archived from the original on 19 June Marine Environmental Biology and Conservation. Retrieved 9 September Retrieved 15 August Huffington Post. Archived from the original on 21 September Japan Integrated Biodiversity Information System. Red Data Book in Japanese. Ministry of the Environment
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