Y is for Yellow-Bellied Marmot
A lot of people think this is a groundhog or woodchuck. The Yellow-Bellied Marmot is very closely related to the groundhog that is common in the eastern United States.
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.