By Zooflipz. Learn about bison and see them in action. This fun pocket-sized book shows bull bison sparring in a winter landscape. The backs of the pages show a cow and calf running through a summer field, and contain facts about bison, from what they weigh and why the wallow to how fast they run. Learn how long they live, what they eat, and more. Perfect for the young wildlife watcher in your group. 2010. 4" x 2.5"