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| Ovibos moschatus|
|Range map. Blue indicates areas where the muskox has been successfully introduced in the 20th century. Red indicates established range.|
It has a thick coat and the males give off a strong odour, which its name comes from. This musky odour is used to attract females during mating season. Muskoxen travel in herds of females and their young led by one or two strong males. Male oxen fight over who will be leader by butting their thick heads and horns against each other. The musk oxen's long, curved horns keep away predators. When a herd smells nearby wolves, all the musk oxen form a circle and face out. They lower their heads to show off their horns.
Muskoxen are herbivores which graze on grasses, leaves, and some Arctic flowers. They are ruminants; they swallow their food without chewing it. Later, they regurgitate the food (called a cud) and chew it. Muskoxen, like other ruminants, have a stomach with four sections.
Fossil DNA evidence suggests muskoxen were not only more geographically widespread during the Pleistocene, but also more genetically diverse. During that time, other populations of muskoxen lived across the Arctic, from the Ural Mountains to Greenland. Together with the bison and the pronghorn, the muskox was one of a few species of Pleistocene megafauna in North America to survive the Pleistocene/Holocene extinction event and live to the present day.
- Gunn, A. & Forchhammer, M. (2008). Ovibos moschatus. 2008 IUCN Red List of Threatened Species. IUCN 2008. Retrieved on 31 March 2009. Database entry includes a brief justification of why this species is of least concern.
- Cole, Joanna (2000). The Magic School Bus, Polar Bear Patrol. U.S.A.. .
- Greenland guide. Animal Life in Greenland - an introduction by the tourist board
- "Muskox suffered loss of genetic diversity at Pleistocene/Holocene transition". Science Daily. 2005-10-06. http://www.sciencedaily.com/releases/2005/10/051006085912.htm. Retrieved 2011-03-03.
- Smithsonian Institution. North American Mammals: Pronghorn Antilocapra americana
- Switek, Brian. "Prehistoric DNA reveals the story of a Pleistocene survivor, the Muskox." Laelaps blog on Science Blogs, posted 10 Mar. 2010. Accessed 18 Jan. 2013.