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The sea otter is the heaviest (the giant otter is longer, but significantly slimmer) member of the family Mustelidae, [6] a diverse group that includes the 13 otter species and terrestrial animals such as weasels, badgers, and minks.
Most have sharp claws on their feet and all except the sea otter have long, muscular tails. The 13 species range in adult size from 0.6 to 1.8 m (2.0 to 5.9 ft) in length and 1 to 45 kg (2.2 to 99.2 lb) in weight. The Asian small-clawed otter is the smallest otter species and the giant otter and sea otter are the largest.
The sea otter, which has the densest fur of any animal, [15] narrowly escaped the fate of the sea mink. The discovery of large populations in the North Pacific was the major economic driving force behind Russian expansion into Kamchatka , the Aleutian Islands , and Alaska , as well as a cause for conflict with Japan and foreign hunters in the ...
Sea otter conservation began in the early 20th century, when the sea otter was nearly extinct due to large-scale commercial hunting. 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 ...
The return of sea otters and their voracious appetites has helped rescue a section of California marshland, a new study shows. Sea otters eat constantly and one of their favorite snacks is the ...
Sea World shared some facts about sea otters and how they mate. They explained, "The reproductive cycle in California sea otters is about 12 months. They explained, "The reproductive cycle in ...
Many aquariums pair orphaned sea otter pups with surrogate moms in an attempt to teach the pups what they need to know to be released back into the wild. Aquarium of the Pacific made a big ...
The Seattle Aquarium became the first institution to raise sea otters from conception to adulthood with the birth of Tichuk in 1979, followed by three more pups in the early 1980s. [157] In 2007, a YouTube video of two cute sea otters holding paws drew 1.5 million viewers in two weeks, and had over 20 million views as of January 2015.