Add Yahoo as a preferred source to see more of our stories on Google. Wolves and dogs don't normally breed in the wild, largely because wolves are so territorial. But an exception has been found.

I'm often asked how play behavior observed in domestic dogs resembles that of their wild ancestors, wolves, and I was thrilled to read a forthcoming book by wolf expert Rick McIntyre called The Rise ...

As the One Ear wolf pack establishes a heavy presence near his family’s four-generation cattle ranch in North Park, Colo., ...