American Buffalo (Bison bison) walking through the grassland prairie at Custer State Park near Custer, South Dakota, USA
American Buffalo (Bison bison) standing in a grassland prairie at Custer State Park near Custer, South Dakota, USA
American Buffalo (Bison bison) standing in a grassland prairie at Custer State Park near Custer, South Dakota, USA
Black tailed prairie dog standing at its mound in a grassland prairie at Custer State Park near Custer, South Dakota, USA
Pronghorn (Antilocapra americana) crossing a roadway in Custer State Park near Custer, South Dakota, USA
Feral donkey foal (Equus africanus) standing next to its mother in a grassland prairie at Custer State Park near Custer, South Dakota, USA
Two male pronghorn (Antilocapra americana) locking horns while sparring on a roadway in Custer State Park near Custer, South Dakota, USA
Pronghorn (Antilocapra americana) standing on a roadway in Custer State Park near Custer, South Dakota, USA
Custer State Park, South Dakota, USA
