Black Rhinoceros (Diceros bicornis), adult male, walking in grass, Etosha National Park, Namibia, Africa

"Black Rhinoceros (Diceros bicornis), adult male standing in dry grass at waterhole, Etosha National Park, Namibia, Africa"

Black rhinoceros (Diceros bicornis), adult male covered with mud, standing by a waterhole, Etosha National Park, Namibia, Africa

"Black Rhinoceros (Diceros bicornis), adult male, standing in dry grass, Etosha National Park, Namibia, Africa"

"Black Rhinoceros (Diceros bicornis), adult male, and Burchell's Zebras (Equus burchelli) standing at waterhole, Etosha National Park, Namibia, Africa"

"Black Rhinoceros (Diceros bicornis), adult male, and Burchell's Zebra (Equus burchelli) standing at waterhole, Etosha National Park, Namibia, Africa"

"Black Rhinoceros (Diceros bicornis), male, walking in dry grass, Etosha National Park, Namibia, Africa"

"Black Rhinoceros (Diceros bicornis), male walking in dry grass, Etosha National Park, Namibia, Africa"

"Black Rhinoceros (Diceros bicornis), male walking in dry grass, Etosha National Park, Namibia, Africa"

"Black Rhinoceros (Diceros bicornis), male, and Burchell's Zebras (Equus burchelli), at waterhole, Etosha National Park, Namibia, Africa"

Black rhinoceros (Diceros bicornis), adult male covered with mud, standing by a waterhole, with Burchell's zebras (Equus burchelli) behind, Etosha National Park, Namibia, Africa

Black rhinoceros (Diceros bicornis), adult male covered with mud, walking by a waterhole, with herd of Burchell's zebras (Equus burchelli) behind, Etosha National Park, Namibia, Africa

Black Rhinoceros (Diceros bicornis), Etosha National Park, Namibia, Africa

"Black Rhinoceros (Diceros bicornis), bull, Etosha National Park, Namibia, Africa"

Black rhinoceros or hook-lipped rhinoceros (Diceros bicornis) male at waterhole, Etosha National Park, Namibia, Africa

Black rhinoceros or hook-lipped rhinoceros (Diceros bicornis) male at waterhole, Etosha National Park, Namibia, Africa

"Black rhinoceros (Diceros bicornis), Etosha Pan, Etosha National Park, Namibia, Africa"

"Black rhinoceros (Diceros bicornis), Etosha Pan, Etosha National Park, Namibia, Africa"

Black rhinoceros or hook-lipped rhinoceros (Diceros bicornis) male at waterhole, evening light, Etosha National Park, Namibia, Africa

Black rhinoceros or hook-lipped rhinoceros (Diceros bicornis) male at waterhole, evening light, Etosha National Park, Namibia, Africa

"Black rhino (Diceros bicornis) eating, Etosha National Park, Namibia, Africa"

Black rhinoceros or hook-lipped rhinoceros (Diceros bicornis) male drinking at waterhole, evening light, Etosha National Park, Namibia, Africa

"Black Rhinoceros (Diceros bicornis) sleeping camouflaged in the bushes, Etosha National Park, Namibia, Africa"

"Black Rhinoceros (Diceros bicornis) walking through the dry grass, Etosha National Park, Namibia, Africa"

"Black Rhinoceros (Diceros bicornis), adult male grazing at waterhole, Etosha National Park, Namibia, Africa"