A humpback whale that has become an unusual presence in San Francisco Bay may be ill.
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The San Francisco Chronicle reported Friday that the humpback has remained in the waters near Alameda for more than two weeks.
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Biologists say the whale, which has been nicknamed "Allie," appears to be an adult female in poor health.
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Officials at the Marine Mammal Center near San Francisco say the whale appears underweight with poor skin condition including a "moderate amount of whale lice."
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Biologists believe the animal entered the bay searching for shelter from the harsh open ocean.
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Officials say humpbacks feed near the Golden Gate Bridge where the waters can be rich with anchovies, but rarely travel deep into the bay.
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Mammal center officials ask the public not to approach the whale.
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Information from: San Francisco Chronicle, http://www.sfgate.com
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