Bison Attacks

Most attacks in North America occur in Yellowstone which is largest free-rang herd. On average three attacks a year and there four fatalities since 1975. Most Bison attacks are provoked often by tourists, that get to close when taking pictures of the animals. Still people get attack from these animals with out provoking them. The most common injuries from bison are goring and blunt trauma. The bison's horns may appear inconspicuous but can produce deeply penetrating injuries. Gorings typically involve the buttocks, posterior thighs, and back because the individual is usually running away from the bison. Stomping, butting, and tossing by the bison produce blunt injuries that include fractures and other injuries associated with a fall."  

Many people don't know the power and the speed of bison. Unlike other animals they pivot on their front legs when they turn. They can a 180 degree turn in less then one second. They can weigh up to 2,500 Ib, and run at 30 mph. While they are running or flat footed they can clear a four foot fence in a single jump. Most of the time they can go through it. A grizzle bear never would take on a  2,500 Ib bull.