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 ...

For many years, Doug Smith was satisfied with the explanation that coat color in wolves was a function of camouflage. Where habitats are darker and more forested, black wolves tend ...

Wolves also have a sturdier build, with a broader head, larger jaws, and a more solid body structure than slender and agile coyotes. Another way to distinguish them is by their fur color.

As juicy as mole rats are, they must make for a monotonous menu. Fortunately, the wolves can spice up their diet for about half of each year: The normally scrubby landscape comes alive with color ...