Half-blind black rhinoceros with massive horns walking with a field guide

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