A Sea Otter's Coat is Very Special - NWF

A sea otter’s coat must be groomed and cleaned constantly. Clean fur is a matter of life and death to a sea otter. This is the only marine mammal without a layer of fat, or blubber, to keep it warm in the cold ocean. Instead, the sea otter’s thick fur coat must keep it warm.

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Joanie Garvey, CEBS - Benefits Manager - National Wildlife

Otters: An Action Plan For Their Conservation, PDF, Conservation Biology

River otters were hunted and trapped extensively for their fur in

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Sea Otter Problems Predate The Fur Trade, 59% OFF

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Sea Otter Problems Predate The Fur Trade, 59% OFF

The Many Benefits of Nature - Catalina Island Marine Institute

A sea otter's coat isn't just cute, it's what keeps them cozy