What is "barren-ground caribou"

n. ''Rangifer tarandus groenlandicus'', a subspecies of caribou found mainly in Nunavut and the Northwest Territories, along with western Greenland.

The barren-ground caribou (Rangifer tarandus groenlandicus) is a subspecies of the caribou that is found mainly in the Canadian territories of Nunavut and the Northwest Territories, along with Kitaa, Greenland. It sometimes includes the similar porcupine caribou, in which case the barren-ground caribou is also found in Alaska. The barren-ground caribou is a medium-sized caribou, smaller and lighter coloured than the boreal woodland caribou, with the females weighing around and the males around . However, on some of the smaller islands, the average weight may be less.