Marine biologists and veterinarians say the bodies of more than 500 penguins have washed up on beaches in southern Brazil over the past week.
They tell the G1 online news site that the Center of Coastal and Marine Studies is investigating what caused the deaths of the 512 penguins found on beaches of the southern state of Rio Grande do Sul. The cause of death should be known in about 30 days.
More than 500 penguins show up dead on Brazil beaches
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