Grey Seals Guilty of Killing Porpoises in the North Sea

November 26, 2014 5:03 PM

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When experts first noticed hundreds of harbor porpoises washing ashore on beaches in the North Sea with horrible gashes and slash marks, no one predicted that cuddly grey seals would be guilty, according to a new study.

Scientists had expected some apex predator or a ship propeller was to blame, but DNA found in bite wounds points the finger at grey seals, indicating that their appetite has switched from fish to mammals. And while for the past decade this massacre has been focused on harbor porpoises (Phocoena phoc...

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