764-4705 - Wild Burro (donkey) (Equus asinus (Equus africanus asinus) jenny and foal, Custer State Park, South Dakota, United States of America, North America
764-3795 - Two young wild burro (donkey) (Equus asinus) (Equus africanus asinus) playing, Custer State Park, South Dakota, United States of America, North America
764-3794 - Two young wild burro (donkey) (Equus asinus) (Equus africanus asinus) playing, Custer State Park, South Dakota, United States of America, North America
764-3108 - Wild burro (donkey) (Equus asinus) (Equus africanus asinus) jenny biting its foal's ear, Custer State Park, South Dakota, United States of America, North America