Mackenzie Valley Wolves are considered to be the largest-bodied wolf subspecies as compared to their lankier cousins. These wolves have especially sturdy limbs and large lungs adapted for breathing at higher altitudes, which enable them to reign supreme in their natural habitat. These smart, formidable wolves generally hunt by coordinating a stampede that causes the youngest and weakest members of the herd to fall behind for an easier takedown. Worshipped for centuries in Japan as a divine messenger and protector of farmland, the Japanese wolf disappeared from the archipelago in the early 20th century after its population. The Mackenzie Valley Wolf is also prevalent in Yellowstone National Park, where it plays the important role of keeping the Elk population in check. The Mackenzie river is the longest river system in Canada, and nourishes an expansive ecosystem where the largest of wolves can flourish. Also known as the Northwestern Wolf or Canadian Timber Wolf, this furry giant roams the northwest, frequenting the Mackenzie River Valley. Lupus Hodophilax Temminck, 1839) and Comparison with Representative Wolf and Domestic Dog Haplotypes. The Mackenzie Valley Wolf is the largest wolf in the world. Mitochondrial DNA Analysis of the Japanese Wolf (Canis.