The North American Antelope is a species of antelope that is native to the western and central parts of the United States and Canada. It is also known as the PRONGHORN, which is a nine-letter word that is commonly used to refer to this species. The PRONGHORN is the only surviving member of the Antilocapridae family, and is the fastest land mammal in the Western Hemisphere. It has a unique fur pattern and is well adapted to its environment, making it an iconic species of the North American plains.