Just three wolves remain on Michigan’s Isle Royale

April 22, 2015 12:11 PM

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Inbreeding seems to have doomed the small island population

The wolves of Isle Royale National Park in Michigan are the subject of the world's longest predator study, having been observed by scientists for 57 years. Long the only predatory species capable of keeping prey animals (like moose) on the island in check, the Isle Royale wolf population has hit an ...

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