Sea otters are arguably the Michael Phelps of the marine mammal world. They are excellent swimmers, complete with muscular bodies and webbed feet that allow for them to cut through the water with ease ...

A sea otter’s overactive metabolism plays a key role in helping the diminutive marine mammal keep its body warm in frigid temperatures. Sea otters are some of the most adorable animals on Earth. The ...

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The muscles of sea otters have a far greater capacity to turn food directly into heat than those of any other animal of a similar size. The findings explain how these small animals stay warm in cold ...