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The sea otter population is thought to have once been 150,000 to 300,000, [24] stretching in an arc across the North Pacific from northern Japan to the central Baja California Peninsula in Mexico. The fur trade that began in the 1740s reduced the sea otter's numbers to an estimated 1,000 to 2,000 members in 13 colonies.
The sea otter was once abundant in a wide arc across the North Pacific ocean, from northern Japan to Alaska to Mexico. By 1911, hunting for the animal's luxurious fur had reduced the sea otter population to fewer than 2000 individuals in the most remote and inaccessible parts of its range. The IUCN lists the sea otter as an endangered species.
[26] A colony of translocated sea otters near San Nicholas Island is showing population growth after ten years of low numbers. In 1991, only 16 individuals remained out of the original 139 from only a year prior, however, the current population is around 100 otters which follows the trend of other successful sea otter translocations.
Due to this great demand and worth of the sea otters pelt, the Russian-America Company (RAC) annual expenses was around 1000,000 rubles each year and profited over 500,000 rubles per year. [130] The fur of the Californian southern sea otter, E. l. nereis, was less highly prized and thus less profitable
The trade boomed around the turn of the 19th century. A long period of decline began in the 1810s. As the sea otter population was depleted, the maritime fur trade diversified and was transformed, tapping new markets and commodities while continuing to focus on the Northwest Coast and China. It lasted until the middle to late 19th century.
A sea otter launched into the national spotlight after images of her aggressively wresting surfboards away from surfers off the coast of Santa Cruz, California circulated on social media is ...
Habitats vary widely as well, from the arboreal marten to the fossorial European badger to the marine sea otter. Population sizes are largely unknown, though two species, the sea mink and Japanese otter, were hunted to extinction in 1894 and 1979, respectively, and several other species are endangered.
She said that unlike whales and seals, which have a thick layer of blubber, sea otters rely on their thick fur coat and super-high metabolic rate to stay warm. The average adult sea otter has to ...