Park records list the presence of 38 mammals. Common species of mammals in the park include white-tailed deer, red and gray fox, beaver, raccoons, otter, muskrat, rabbits, groundhogs, bats, moles and voles. Check out park fields in the early morning or late afternoon to see herds of deer.
Did You Know?
By the Act of March 1, 1872, Congress established Yellowstone National Park in the Territories of Montana and Wyoming, the first National Park in the world. This act was signed by President Ulysses S. Grant.