On the shores of Netherlands dozens of mangled harbor porpoises carcasses are being washed up on a daily basis. After a DNA test, specialists said the mammals were attacked and killed by grey seals. But this is very strange since grey seals do not usually hunt for porpoises. Grey seals mostly feed on fish, crabs, squids and, hardly ever, sea birds. Experts performed autopsies on more than 1,000 … [Read more...]
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