SAN FRANCISCO (KGO) -- Officials with the Greater Farallones National Marine Sanctuary are telling people not to disturb the sharks.
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This comes as white sharks are making their annual appearance off the San Francisco coast.
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The animals concentrate around the Farallon Islands from September to November and feed on seals and sea lions.
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Research shows that people who use food and other lures to draw sharks near boats disrupt their natural feeding activities.