Grey seals identified as killers behind mystery harbour porpoise deaths

Seals have been identified as the killers behind the mystery of dead porpoises found with distinct mutilations on Dutch beaches over the past decade. The cause of large numbers of harbour porpoises washing up on the Netherlands coast was previously unknown and contested, but an eight year-long study concludes that grey seals have “learned a […]

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Grey Seal (Halichoerus grypus)

The Grey Seal (Halichoerus grypus meaning “hooked-nosed sea pig”) is found on both shores of the North Atlantic Ocean. It is a large seal of the family Phocidae or “true seals”.  

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