animal animals arctic autumn bovidae bull bulls calf calfs cow cross crossing dovre dovrefjell dovrefjell–sunndalsfjella europe european fall families family fauna female females fjaell forage foraging group groups herd male mammal mammalian mammals moschatus musk muskox muskoxen national nature norway norwegian np oppdal ovibos ox park parks river rivers scandinavia stream sunndalsfjella tundra water waters wildlife young