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 ...

The gray wolf, also known as the timber wolf or the ... although nearly pure white, red, or brown to black also occur.

The number of endangered Mexican gray wolves has increased for the ninth year in a row, but advocates say recovery isn't ...

But these wolves are again vulnerable: As if the persistent threat of congressional attacks on the Act weren’t enough, in 2019 the first Trump administration proposed to strip protections from nearly ...

The gray wolf, a keystone predator whose native range stretches across North America, is an integral link in the food chain of the ecosystems it inhabits. Wolves regulate prey populations, thereby ...

Now, although this gray wolf subspecies continues to struggle in the United States and Mexico, at least it has a hope of recovering in the wild. Despite these substantial gains amid extreme challenges ...