When a 2-year-old gray wolf dubbed OR-7 for the number on its GPS-transmitting collar trotted southwest from Northeast Oregon in search of a mate in 2011, the cross-country journey created history.

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From Mother Nature Network:

A trail camera in Lassen County, California, recently caught some furry shenanigans. Three gray wolf pups were wrestling and playing right in front of the lens, unaware that their good-natured romping was being recorded. 

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