An article in the SF Chronicle yesterday stated that "Sea otters along the California coast are dying off faster than at any time since the late 1990s, a disturbing trend that experts say is partially due to human-caused water pollution, the U.S. Geological Survey reported Tuesday."
Vital Stats: Average 4 feet long; males weigh about 65 pounds, females 45 pounds. They have webbed hind feet, strong canine teeth, retractable forepaw claws, closable ears and nostrils for swimming, and dense, waterproof fur.
Habitat: Found near shore in shallow waters, generally 115 feet deep or less. Kelp beds are the ideal environment.
Diet: Carnivorous. They eat 20-25 percent of their body weight each day of invertebrates such as abalone, clams, sea urchins, crabs, barnacles, snails, squid, chitons, worms and sea stars.
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