Orsolya Haarberg,Orsolya Haarberg / Muskox (Ovibus moschatus) in the Dovrefjell-Sunndalsfjella National Park, Norway. February

Orsolya Haarberg,Orsolya Haarberg / Muskox (Ovibus moschatus) herd, in the Dovrefjell-Sunndalsfjella National Park, Norway. February

Sergey Gorshkov / Muskox (Ovibos moschatus) pair, Wrangel Island, Russia

Erlend Haarberg / Muskoxen (Ovibos moschatus) head portrait, Dovrefjell-Sunndalsfjella National Park, Sor-Trondelag, Norway, December

Radomir Jakubowski / Muskoxen (Ovibos moschatus) mother protecting young, approached by male, Dovrefjell national park, Norway, September

Eric Baccega / Group of Muskoxen (Ovibos moschatus) grazing in Devon Island, Nunavut, Canada, August 2010

Orsolya Haarberg / Musk ox (Ovibos moschatus) snowed in in snow storm, Dovre-Sunndalsfjella National Park, Sor-Trondelag, Norway, March, HIGHLY COMMENDED: Animals in their Environment, Wildlife Photographer of the Year...

Juan Carlos Munoz / Muskox (Ovibos moschatus) close up of face and horn, Laponia / Lappland , Finland

Jim Brandenburg / Arctic Wolf (Canis lupus) pack hunting Muskox (Ovibos moschatus) herd, Ellesmere Island, Nunavut, Canada

Yva Momatiuk & John Eastcott / Muskox (Ovibos moschatus) cow during rutting season, North Slope, Alaska

Michio Hoshino / Muskox (Ovibos moschatus) pair butting heads, Nunivak Island, Alaska

Jim Brandenburg / Muskox (Ovibos moschatus) on snowy rocks, Ellesmere Island, Nunavut, Canada