![Wyoming, William Bradford Ross, Nellie Tayloe Ross, female governor](https://assets.shortpedia.com/uploads/2022/09/17/1663397991.webp?tr=w-1200,h-600,cm-pad_resize,bg-F3F3F3)
Yellowstone National Park, created in 1872, is the oldest national park in the United States. Every year, almost 4 million people visit the national park to admire its beauty. Yellowstone has around 16 fish species, 5 amphibian species, at least five reptile species, 67 mammal species, and over 250 bird species.