Add Yahoo as a preferred source to see more of our stories on Google. Chihuahuas have about 0.2 percent wolf ancestry, according to a new study. While that chihuahua might seem about as similar to a ...

Who said it first, no one knows. But Frederick the Great, warrior ruler and enlightened despot of 18th-century Prussia, said it well. “The only, absolute and best friend a man has, in this selfish ...

Wolf-dog hybrids are bred by crossing domestic dogs with wolves, sometimes just a few generations back. They carry physical traits and instincts that set them far apart from standard breeds. These ...

An important difference between dogs and wolves in how they relate to humans has been demonstrated to be the result of genetics rather than life experience. Jason Goldman, in "The Thoughtful Animal," ...

Romanian shepherd dogs are believed to have descended from a breed that originated in Mesopotamia, around 9,000 years ago. Today, they are experts at protecting the herd from wolf attacks, especially ...