Add Yahoo as a preferred source to see more of our stories on Google. Two wolves walk through their enclosure in Hanau's Alte Fasanerie wildlife park. Wolves remain fearful of humans even in areas ...

A grey wolf prowls through Yellowstone National Park near Mammoth Hot Springs in Montana. A group of 66 wolves was reintroduced to Idaho and Yellowstone in the late 1990s. They now total 2,800 ...

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