Bison (Bison bison) bulls sparring, Custer State Park, South Dakota, United States of America, North America

travel destination travel destinations travel photography colour image colour color image color horizontal bison bison bison bulls sparring custer state park south dakota united states of america north america usa us united states north american america outdoors outside animal themes animals in the wild wildlife day side view nature the natural world national park head to head aggression conflict impact problems horn three quarter length no people