Black rhino in African bush smells for competitors, urinates to mark territory

rhinocerotidae rhinohorn black rhino hooklipped rhinoceros rhinoceros rhino critically endangered african bush poaching endangered serengeti safari animal herbivorous wildlife africa big five safari conservation savanna mammal animal adult territorial savannah herbivore diceros bicornis national park african big 5 horn terrestrial perissodactyla territory fauna wilderness diceros majestic zoology reserve nature graceful wild distinctive vegetarian smuggling urinates unique vegan park