Black rhinoceros or hook-lipped rhinoceros (Diceros bicornis) with yellow-billed oxpecker (Buphagus africanus), Masai Mara National Reserve, Kenya, East Africa, Africa

black rhinoceros endangered species close ups close up side view profiles animal head natural world nature horizontal outdoors day east africa africa kenya masai mara masai mara national reserve symbiotic symbiosis birds oxpeckers yellow billed oxpecker buphagus africanus yellow billed oxpecker horns wildlife animals mammals rhinos rhinoceros hook lipped rhinoceros diceros bicornis hook lipped rhinoceros