Are seals mutilating and killing porpoises? Scientists investigate

A gruesome series of killings has left porpoises stranded on the shores along the North Sea, and scientists now think they have a culprit: gray seals. Turns out those adorable gray seals aren’t so cuddly after all. The findings, described in the Proceedings of the Royal Society B, reveal a disturbing trend that could potentially alter the ecology of harbor porpoises. Related story: Bats use sonar jamming to steal food Related story: Bats use sonar jamming to steal food Amina Khan Harbor porpoises, formally known as Phocoena phocoena, have been washing up along the coasts of the southern North Sea in Europe, with deadly wounds whose origins were a mystery. Were the-READ MORE-http://www.latimes.com/science/sciencenow/la-sci-sn-seals-mutilating-killing-porpoises-study-20141128-story.html-