Black wolves, a color variant of gray wolves, roam North American forests, mountains, and tundra in packs. Their dark fur, ...

New research from the University of Oxford, Yellowstone National Park, and Penn State, published today in the journal Science, may have finally solved why wolves change color across the North American ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. For many years, Doug Smith was satisfied with the explanation that coat color in wolves was a ...

Scientists demonstrate an association between the distribution of black wolves across North America and Canine Distemper Virus (CDV) outbreak frequency. The further south you go, down from Arctic ...

New research shows that black wolves are more likely to survive outbreaks of canine distemper virus (CDV). Yellowstone Natural Park wolves prefer to mate with those of the opposite color in areas ...