Black tailed prairie dog standing at its mound 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
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
Feral donkey foal (Equus africanus) standing next to its mother 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
Pronghorn (Antilocapra americana) standing on a roadway in Custer State Park near Custer, South Dakota, USA
Custer State Park, South Dakota, USA
Pronghorn (Antilocapra americana) crossing a roadway in Custer State Park near Custer, South Dakota, USA
