Black and Gray Wolf Pairings Stem Disease, Stabilize Population: Study The black fur allele has fitness costs but also confers higher immunity against canine distemper virus, making mix-and-match ...

The dark fur is rare in Europe due to a reduced genetic diversity, but at least half of the wolf population has black fur in Yellowstone National Park in the United States.

The dark fur is rare in Europe due to a reduced genetic diversity, but at least half of the wolf population has black fur in Yellowstone National Park in the United States.

The gray wolf, also known as the timber wolf or the western wolf, is a canid native to the wilderness and remote areas of North America, Eurasia, and North Africa. It is the largest extant member ...

In Europe, dark fur is rare, though in Yellowstone National Park in the United States, at least half of the wolf population has black fur.

A study of extinct dire wolf DNA reveals surprises, including that the carnivores, made famous as fictional pets in Game of Thrones, weren't closely related to wolves.

Where the wolves roam The Mexican wolf, or lobo, is the smallest subspecies of gray wolf in North America, weighing between 50-80 pounds with a characteristic buff, gray, rust and black fur coat.

Two rare black wolves, likely siblings, were spotted on camera crossing a stream in a Polish forest, a conservation organization said Sunday.

Its winter fur is long and bushy, and predominantly a mottled gray in color, although nearly pure white, red, or brown to black also occur.

Two rare black wolves, likely siblings, were spotted on camera crossing a stream in a Polish forest, a conservation organization said Sunday.

The dark fur is rare in Europe due to a reduced genetic diversity, but at least half of the wolf population has black fur in Yellowstone National Park in the United States.