The Peary caribou (Rangifer tarandus pearyi) is a caribou subspecies found in the high Arctic islands of Canada's Nunavut and Northwest territories. They are the smallest of the North American caribou, with the females weighing an average of 60 kilograms (130 lb) and the males 110 kilograms (240 lb). In length the females average 1.4 m (4.6 ft) and the males 1.7 m (5.6 ft). The Peary caribou, called tuktu in Inuinnaqtun/Inuktitut, and written as ᕐᑯᑦᓯᑦᑐᒥ ᑐᒃᑐ in Inuktitut syllabics, is a major food source for the Inuit and was named after Robert Peary.