The video shows a black bull and a black cow in a pen. The bull is seen walking around the pen, while the cow is standing still. The bull then approaches the cow and begins to butt heads with it. The cow does not seem to be bothered by the bull's actions and remains still throughout the video. The pen appears to be outdoors, with trees visible in the background. The bull and cow are both large animals, with the bull being significantly larger than the cow. The video does not contain any other objects or people.