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Over 500 penguins died on the Danger Islands in Antarctica, with avian flu initially suspected as the cause. Researchers found surprising results in their investigation.
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Over 500 penguins died on the Danger Islands in Antarctica, with avian flu initially suspected as the cause. Researchers found surprising results in their investigation.
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What killed 500-plus penguins? How scientists solved the mystery
Scientists investigate the deaths of over 500 penguins in Antarctica