Researchers Dig Into Cause of Sea Lion Sickness | NBC Southern California

Researchers Dig Into Cause of Sea Lion Sickness

Dozens of malnourished and dehydrated sea lion pups are turning up on Southern California beaches. Marine mammal rescuers have been bringing the pups to rescue centers, where they are nursed back to health. Researchers are now trying to determine what may be causing all these sea lion pups to get sick. Hetty Chang reports from San Pedro for the NBC4 News at 6 p.m. on March 15, 2013.

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