SAN FRANCISCO (KGO) -- Two recent biting incidents involving swimmers have put new focus on sea lions in San Francisco Bay.
RELATED: Man bitten by sea lion describes terrifying attack
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They have been the darlings of tourists since 1989, when they starting showing up in large numbers at Pier 39 after the Loma Prieta earthquake.
Here's a look back at the last 30 years of co-existing with sea lions in the bay.
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Click here for more on sea lions from San Francisco's Pier 39.