During mating season, the bulls fight over who will have the right to mate with over fifty females. .
Check out BBC Earth on BBC online - http://www.bbc.com/earth/world For more brilliant natural history shows, exclusive to YouTube, head over to our brand-new channel Earth Unplugged! http://www.youtube.com/earthunplugged Human beings are a particular type of mammal. In this compelling clip, we see a tribesman runner pursue his prey through the most harsh conditions in a gruelling eight hour chase. Thought provoking content from the BBC's Life of Mammals documentary series. Visit http://www.bbcearth.com for all the latest animal news and wildlife videos and watch more high quality videos on the new BBC Earth YouTube channel here: http://www.youtube.com/bbcearth Want to share your views with the team? Join our BBC Studios Voice: https://www.bbcstudiosvoice.com/register This is a commercial channel from BBC Studios. Service & Feedback https://www.bbcstudios.com/contact/contact-us/