In this March 20, 2019, photo provided by NOAA, a team of marine mammal experts perform a necropsy on a 48-foot long male sperm whale that washed up at Lynn Canal, north of Berners Bay near Juneau, Alaska. It's just the third sperm whale necropsy ever done in Alaska, and the first to be done in Southeast. (Johanna Vollenweider/NOAA via AP)
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