Menacing Muskoxen

Muskoxen are Arctic mammals which are named after the smell given off by the males to attract females during the mating season. This does not make them menacing, but they do have a way of defending the herd when there is danger, and this could definitely be menacing to any predator who is approaching. They form a defensive circle around the calves and face outwards, with the males at the front. I would find this menacing, wouldn't you?