"The southern sea otter is both an umbrella species and a keystone species.
The history of the sea otter along the Pacific coast has been tumultuous.
Unlike whales and sea lions that rely on a layer of blubber to keep them warm in the icy North Pacific Ocean, the sea otter is protected by its thick fur. While we humans have between 20,000 to 100,000 hairs on our heads, the sea otter has from 600,000 to