Moose provide Isle Royale wolves plenty of meals

Gray wolves (Canis lupus) translocated to Isle Royale National Park in Michigan are finding plenty of prey, researchers found. Studying the remains of prey the wolves had consumed, biologists found they were mostly eating moose (Alces alces), but had also consumed other species, including beavers (Castor canadensis) and snowshoe hares (Lepus americanus). The study was part of an effort to determine how restoring wolves to the island will affect the ecosystems. Seventeen wolves now roam Isle Royale. Plans call for as many as 30 wolves.

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