Charles E. Rushmore big game. One day, while accompanied by Ted Brockett of Keystone, South Dakota, Rushmore asked the name of the mountain and was told that it was Slaughterhouse Rock. Rushmore joked that his annual treks to the Hills had earned him the right to have the mountain named after himself. "So just for the hell of it," Urbanek claimed, the locals started calling the hill Mount Rushmore. Whatever the precise story, the United States Board of Geographic Names officially recognized the name "Mount Rushmore" in June 1930. Forty years after the initial 1885 naming, Rushmore donated $5000 towards Gutzon Borglum's sculpture
Mount Rushmore birds, including songbirds, nuthatches, and woodpeckers, inhabit the surrounding pine forests. Terrestrial mammals include the mouse, least chipmunk, red squirrel, skunk, porcupine, raccoon, beaver, badger, coyote, bighorn sheep, bobcat, elk, mule deer, yellow-bellied marmot, and American bison. The striped chorus frog, western chorus frog, and northern leopard frog also inhabit the area, along with several species of snake. Grizzly Bear Brook and Starling Basin Brook, the two streams in the memorial, support fish such as the longnose dace and the brook trout. Mountain goats are not indigenous to the region. Those living near Mount Rushmore are descendants of a tribe