From the Detroit Free Press:

TRAVERSE CITY, Mich. — Moose are thriving at Isle Royale National Park, but the trees on which they feast are paying a heavy price, scientists reported Tuesday.

An estimated 2,060 of the lumbering beasts roam the island wilderness, according to a report by Michigan Technological University researchers who spend weeks there each winter observing the relationship between moose and the wolves that prey on them.

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