Hungry sea otter eats prickly sea urchin

Wally, a rescued and rehabilitated sea otter, enjoys a meal of red sea urchin and Dungeness crab. Sea otters, unlike other marine mammals, lack an insulating layer of blubber. Instead, they rely on their fur and high metabolism to keep warm. They eat over a quarter of their body weight every day. Wally was rescued off the west coast of Vancouver Island (near Tofino) in October. He was severely injured after being shot. He was transported to the Vancouver Aquarium's Marine Mammal Rescue Centre where part o