Black rhinoceros (Diceros bicornis) at dusk, Etosha National Park, Namibia

diceros bicornis black rhinoceros diceros bicornis desert sunset adult alone walk overview watering place etosha national park diceros endangered iucn en dust three quarter shot evening national park august black rhinoceroses diceros bicornis desertic areas desert areas desert area desertic zone desertic zones desertic area sunsets adults single lonely only solo one lone walking overviews global sight global sights full length backwaters watering places backwater waterhole waterholes endangered species dusts three quarter views three quarter view three quarter shots three quarter sight three quarter sights three quarter length day fall nightfall late afternoon national parks sensitive natural areas rhinoceros odd toed ungulate ungulate mammal wild animal animal area sun space stage of development individual enumeration gait locomotion motion shot freshwater wetland area namibia southern africa africa rhinocerotidae perissodactyla mammalia therapsida synapsida vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota threatened endangered species iucn red list of threatened species species mineral matter matter substance twilight atmosphere ambiance environment protection environment management biodiversity management environment convention on international trade in endangered species of wild cites)