fur seal

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Related to fur seal: Southern Fur Seal, Northern Fur Seal

fur seal,

fin-footed marine mammal of the eared seal family (Otaridae), highly valued for its fur. Like the closely related sea lionsea lion,
fin-footed marine mammal of the eared seal family (Otariidae). Like the other member of this family, the fur seal, the sea lion is distinguished from the true seal by its external ears, long, flexible neck, supple forelimbs, and hind flippers that can be turned forward
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, the nine species of fur seals are distinguished from the true sealseal,
carnivorous aquatic mammal with front and hind feet modified as flippers, or fin-feet. The name seal is sometimes applied broadly to any of the fin-footed mammals, or pinnipeds, including the walrus, the eared seals (sea lion and fur seal), and the true seals, also called
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 by external ears and the ability to turn their hind flippers forward for walking on land. The northern, or Alaskan, fur seal, Callorhinus ursinus, has an outer coat of long coarse hair known as guard hair and an inner coat of thick soft fur; it is the inner coat that is valued in the fur trade. Males are dark brown and females and young are grayish. The male is about 6 ft (1.8 m) long and weighs up to 600 lb (270 kg), while the smaller female is up to 4 ft (1.2 m) long and seldom weighs more than 110 lbs (50 kg). Herds of northern fur seals, mostly females and juveniles, winter in open ocean along the Pacific coast of North America, migrating in spring to breeding beaches that range from the Pribilof Islands in the Bering Sea to San Miguel Island off California. Adult males, who usually winter separately, arrive at the islands weeks ahead of the females. During the breeding season the most aggressive males establish individual territories and have harems averaging 40 to 50 females, which they defend against other males. Mating occurs after the birth of the young conceived the previous summer; each female bears a single pup after a gestation period of almost a year. The pups nurse for about a month but remain with the mother for another 2 or 3 months. Mothers often leave pups for days to feed on squid and fish. By the early 20th cent. the northern fur seal population was reduced to about 200,000 as the result of wanton slaughter. An international treaty signed in 1911 limited hunting to a fixed number of nonbreeding males per year. By 1976 the world population had increased to almost 2 million; since then it has declined, for reasons still unclear. The United States prohibited the hunting of fur seals in 1985. Southern fur seals, such as Arctocephalus gazella and other species, are similar in size and appearance to the northern fur seal. Although their fur is not considered desirable, they have been hunted almost to extinction. Both southern and northern fur seals migrate, while tropical species remain near their breeding grounds. Fur seals are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Mammalia, order Carnivora, suborder Pinnipedia, family Otariidae. See also Bering Sea Fur-Seal Controversy, under Bering SeaBering Sea,
c.878,000 sq mi (2,274,020 sq km), northward extension of the Pacific Ocean between Siberia and Alaska. It is screened from the Pacific proper by the Aleutian Islands. The Bering Strait connects it with the Arctic Ocean.
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See W. N. Bonner, Seals and Man (1982); J. E. King, Seals of the World (1983).

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References in periodicals archive ?
Based on the output of the selected model for each species, we calculated the mean and 95% confidence intervals of the BcPUE per period (seasons for franciscana dolphin and breeding/non-breeding for fur seal and sea lion) as the inverse of the link function of each coefficient per period.
Some of Victoria's fur seal colonies can number in the tens of thousands, so the contribution made by citizen scientists who can count the various populations accurately and efficiently through SealSpotter is highly valued.
The boom period of sealing for fur seal skins in the southern oceans (the Southern Ocean itself, and the southern Atlantic, Indian and Pacific Oceans) was from the 1790s to the 1830s, after which the impact of the unregulated destruction of the fur seal populations reduced their exploitation to episodic visits to old grounds to attack the recovering rookeries.
Sightings were clearly dominated by South American fur seals (Arctocephalus australis) (75.4%), followed by sperm whales (Physeter macrocephalus) (8.2%), with small number of rorquals and dolphins recorded.
Fur seals are larger than normal seals, and can walk or even run on their flippers.
As of Friday, the Marine Mammal Center near Sausalito had taken in 85 northern fur seals, which live out in the Pacific Ocean's waters and islands and would only rarely be found on shore, the Santa Rosa Press Democrat reported Saturday.
Two headless New Zealand fur seals were washed up ashore on a South Australian beach on Thursday.
One of the fur seals there, Molly, 19, was born in France and brought here.
"To date Namibia has about 1.2 million Cape fur seals, which is the highest recorded population estimate, and the ministry wishes to inform the public that these scenarios are natural and occur more frequent during the August to February period.
Tessa Bickford makes the most of her experiences over two summers as a fur seal researcher on Macquarie Island with this interesting story of a new Gentoo penguin chick as he grows, learns to swim and is nearly ready to undertake his long journey to Antarctica.
Summary: A fur seal has turned up on Rio de Janeiro's Copacabana Beach.
Matthew Islands was an indirect consequence of the controversy between the United States and Great Britain over management of the fur seal harvest and the associated pelagic hunting of these seals.