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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.
Kelp forests provide important habitats for many fish species, sea otters and sea urchins. Directly and indirectly, marine coastal ecosystems provide vast arrays of ecosystem services for humans, such as cycling nutrients and elements, and purifying water by filtering pollutants. They sequester carbon as a cushion against climate change.
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The Northern Pacific Gallery focuses on organisms from the Bering Sea. [10] Exhibits include the Sea Otter Habitat, home to southern sea otters; [11] the giant Pacific octopus tank; and Diving Birds, where puffins and auklets live. Other species on display include Japanese spider crabs, jellyfish, and sea anemones. [10]
An otter rescued in 2001 began the program's surrogacy efforts, in which adult female sea otters that have been rehabilitated but cannot be released act as surrogate mothers to stranded sea otter pups. The aquarium was the only sea otter rehabilitation site in California until The Marine Mammal Center began expanding a program for sea otters in ...
Federal wildlife officials have taken the first step toward potentially reintroducing sea otters to their former habitats in Northern California and Oregon. Sea otters were hunted to near-extinction.
However, during the winter and in colder environments, fish consumption is significantly lower and the otters use other resources for their food supply. Their diets can consist of amphibians (mainly frogs and pond turtles), bird predation (mainly anserine species), small rodents , and invertebrates such as water beetles, snails, and crayfish.
The North American river otter (Lontra canadensis), also known as the northern river otter and river otter, is a semiaquatic mammal that lives only on the North American continent throughout most of Canada, along the coasts of the United States and its inland waterways. An adult North American river otter can weigh between 5.0 and 14 kg (11.0 ...