P is for Pronghorn
Pronghorn are the fastest runners in Yellowstone. When they need to, they can run at 70 miles per hour (113 kph) for three to four minutes. That's as fast as most cars go on the highway.
Did You Know?
There are more people hurt by bison than by bears each year in Yellowstone. Park regulations state that visitors must stay at least 25 yards away from bison or elk and 100 yards away from bears.