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Wolf population at Isle Royale NP soars as reintroductions take hold

TRAVERSE CITY, Mich. (AP) — Isle Royale National Park’s gray wolf population has reached 28, a dramatic comeback after the species nearly disappeared from the Lake Superior island chain, researchers said Wednesday.

Health problems from inbreeding caused a die-off that left only two wolves a few years ago, leading park officials to authorize an airlift of mainland replacements. Wolves play a crucial role in balancing the island ecosystem by preying on moose, which browse heavily on balsam fir and other plants.

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