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.

A Sea Otter's Coat is Very Special - NWF

The Fantastic Fur of Sea Otters

Sea Otter - Animal profile, pictures, facts, range map

Alaska Maritime National Wildlife Refuge - Sea otters' super-soft

North American river otter - Wikipedia

Looking for the Lost River Otters of the Southwest

Sea Otter Problems Predate The Fur Trade, 59% OFF

North American river otter - Wikipedia

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

Seafood Fight – SAPIENS

A Sea Otter's Coat is Very Special - NWF

Species Spotlight: River Otter (Lutra canadensis) - Bainbridge

Solano County Office of Education - North American River Otters

The Adventure Of Sea Otters - Coastal Interpretive Center