Ключевые слова: africa, african, animal, bird, black, brevis, bucero, bycanistes, bycanistes brevis, dark, ethiopia, ethiopie, feathered, fig tree, full, full length, great rift valley, hornbill, national, nature, odd, park, plumage, predatory, predatory bird, prey, rift valley, safari, silvery, silverycheeked, silverycheeked hornbill, tanzania, tourism, travel, tree, wild, wild animal, wildlife, wildness, winged, wings, zimbabwe,