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?
Some groups of Shoshone Indians, who adapted to a mountain existence, chose not to acquire the horse. These included the Sheep Eaters, or Tukudika, who used dogs to transport food, hides, and other provisions. The Sheep Eaters lived in many locations in Yellowstone.