Inhabits arctic tundra. In summer, prefers moist habitats and riparian vegetation where sedges, and sometimes shrubs play a major role in their summer diet (Lent 1988). In winter, may shift to hilltops, slopes, and plateaus (Nowak 1991).
Lent, P. C. 1988. OVIBOS MOSCHATUS. Mammalian Species 302:1-9.
Nowak, R.M. 1991. Walker’s mammals of the world. Fifth edition. Vols. I and II. Johns Hopkins Univ. Press, Baltimore. 1629 pp.