The Black wolf is not a different species, but rather a colour variation of the Grey wolf. These wolves are extremely rare and are the product of crossbreeding between Grey Wolves and early ...

National Park Service / Jeremy SunderRaj One of Yellowstone National Park’s most famous gray wolves, an 11-year-old matriarch who was blind in one eye, has died after a fight with a rival pack.

At that locus, each wolf has two copies of a color gene, of which there are two possible alleles: gray or black, the latter being dominant. The 2018 study, conducted on wolves from four North American ...