Conserving Energy in the Wild

Walking slow is going to conserve your energy. When you're living in the wild, you have to be cognizant of your predators and those who are out for you. The daily life of a bison is just walking around and eating. So there's no need to be on an inner rush. But yes, so conserve their energy to escape predators and they run at a pretty rapid rate. Which explains why the fences in the Fort Worth refuge are much taller than four or five feet.