Only 3 wolves left on Michigan's Isle Royale

April 17, 2015 8:15 PM

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Only three wolves now remain on Michigan's Isle Royale, down from nine wolves last year, Michigan Technological University scientists reported Friday.

The discovery was made during Michigan Tech's annual winter survey of the nearly undisturbed, 206-square-mile island, a U.S. National Park in northwest Lake Superior.

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