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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. They have very soft, insulated underfur, which is protected by an outer layer of long guard hairs.
An adult North American river otter can weigh between 5.0 and 14 kg (11.0 and 30.9 lb). The river otter is protected and insulated by a thick, water-repellent coat of fur. The North American river otter, a member of the subfamily Lutrinae in the weasel family (Mustelidae), is equally versatile in the water and on land.
Of the 13 different otter species in the world, only sea otters have been spotted making rafts by holding paws. ... Sea otters are on the endangered species list and are protected under the ...
The sea otter is considered a threatened species in Canada and is protected under the federal Species at Risk Act (SARA). [35] In April 2007, the Committee on the Status of Endangered Wildlife in Canada changed its assessment of the sea otter from "threatened" to "special concern." The committee's assessment reflects the ongoing strength of the ...
It wasn't until 1977 that the otters were listed as threatened and named a protected federal species. ... come back had the win-win effect of helping manage an invasive species. "The sea otters ...
Under the MMPA, the Service is responsible for ensuring the protection of sea otters and marine otters, walruses, polar bears, three species of manatees, and dugongs. NOAA was given responsibility to conserve and manage pinnipeds including seals and sea lions and cetaceans such as whales and dolphins.
The Eurasian otter is the most widely distributed otter species, ... [36] In Hong Kong, it is a protected species under Wild Animals Protection Ordinance Cap 170.
One man and his dogs trying to protect roaming otters and the ponds they increasingly hunt for food.