A second clip, taken last fall, records two black wolves and a gray wolf fording the same stream. Most of the 2,500 to 3,000 wolves in Poland are gray with red or black accents.

Camera traps in a forest have caught video of two all-black wolves. Now scientists are investigating where they might have ...

To understand the genetics of why they have black fur, and if they have any signs of being wolf-dog hybrids, the team now wants to conduct DNA tests on the wolves’ fecal samples, preferably ...

The black fur allele has fitness costs but also confers higher immunity ... But in North America, especially in Yellowstone National Park where a large amount of wolf research is conducted, black ...

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