Scientists have documented what may be the first instance of a wild wolf using a tool, according to footage published in the journal Ecology and Evolution. Although the intelligence of wolves is well known, the discovery adds to an expanding list of animals capable of manipulating tools to forage for food, a trait once thought to be unique to humans. “It’s not a surprise they have the capacity to do this,” said Kyle Artelle, an ecologist with the State University of New York College of Environme