[large thumbnail url=”newcomer-wolf-migrated-to-take-over-island-pack” filename=”science” year=”2011″ month=”03″ day=”30″] [thumbnail icon url=”newcomer-wolf-migrated-to-take-over-island-pack” filename=”science” year=”2011″ month=”03″ day=”30″] There’s a new kid in town — or at least there was — among the long-studied wolves of Lake Superior’s Isle Royal, where biologist called him “The Old, Gray Guy.”

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