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Sea otters are on the endangered species list and are protected under the Endangered Species Act. Sea otters are considered a keystone species, which means their disappearance causes disruption to ...
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 ...
One species of marine mammal: the Steller sea lion - this haul rests on rocks located on Amak Island. The Marine Mammal Protection Act (MMPA) was the first act of the United States Congress to call specifically for an ecosystem approach to wildlife management.
Sea otters, being a known keystone species, need a humanitarian effort to be protected from endangerment through "unregulated human exploitation". [223] This species has increasingly been impacted by the large oil spills and environmental degradation caused by overfishing and entanglement in fishing gear. [224]
Southern sea otters along the West coast were hunted almost to extinction for their thick, soft fur, only gaining protection in 1913 when California declared them a "fully protected mammal." Even ...
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.
More than 1,600 species are listed as endangered or threatened under the law, which prohibits harming them or destroying their habitat.
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.