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The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean.Adult sea otters typically weigh between 14 and 45 kg (30 and 100 lb), making them the heaviest members of the weasel family, but among [3] the smallest marine mammals.
Enhydra is a genus of mustelid that contains the sea otter and two extinct relatives. It is the only extant genus of the bunodont otters group, referring to otters with non-blade carnassials with rounded cusps. [1] Sea otters probably diverged from other otters during the Pliocene, approximately 5 mya. [2]
Europe, north Asia, northern North America, and Greenland (native range in green, introduced in red (New Zealand)); map includes range of American and haida ermines: Size: 17–33 cm (7–13 in) long, plus 4–12 cm (2–5 in) tail [109] Habitat: Shrubland, inland wetlands, grassland, rocky areas, and forest [110]
Once on the verge of extinction, the recovery of the sea otter is considered one of the greatest successes in marine conservation.. The sea otter (Enhydra lutris) is a marine mammal living near the shores of the North Pacific, from northern Japan, the Kuril Islands and Kamchatka east across the Aleutian Islands and along the North American coast to Mexico.
South America E Long-tailed otter: Lontra (Lutra) longicaudis (incl. platensis) South America E Marine otter: Lontra (Lutra) felina: Peru south to Straits of Magellan: E Southern river otter: Lontra (Lutra) provocax: Chile, Argentina E Southern sea otter: Enhydra lutris nereis: West Coast, U.S. (CA, OR, WA) south to Mexico (Baja California) T ...
As of November 1, 2009, the United States Fish and Wildlife Service listed approximately 1,200 animals as endangered or threatened in North America.. Note: This list is intended only for species listed as endangered under the United States Endangered Species Act (ESA) and the United States Fish and Wildlife Service, not species listed as endangered by other countries or agencies such as the ...
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Tool use behavior is more associated with geographic location than sub-species. Most behavioral research has been conducted on Enhydra lutris nereis, the Californian otter, and some has been conducted on Enhydra lutris kenyoni, the Alaska sea otter. Sea otters frequently use rocks as anvils to crack open prey, and they are also observed to rip ...