Virtually every orca in an endangered North American group is suffering from mysterious skin lesions, say scientists

Virtually every orca in an endangered North American group is suffering from mysterious skin lesions, say scientists

Gray patches on southern resident killer whale on June 13, 2015.Joe Gaydos / UC Davis <ul> <li>There has been an increase in skin disease in Pacfic north-west killer whales, a new study found.</li> … [+2805 chars]

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