Dust flying, shaggy heads butting, deep rumbles. Rut (breeding) season has begun with our bison! As bulls look to dominate the herd and attract the ladies, they roll and spar with each other, raising dust and making big vocalizations. Book a Wild Drive or Keeper Adventure Tour and get front-row seats to the most exciting time of year at Northwest Trek – and meanwhile, watch the video to get a taste of the action.