Ключевые слова: africa, african, alive, alone, animal, avian, beak, bill, billed, center, decken, deckens, der, east, flight, fly, fowl, hornbill, laikipia, life, national, natural, park, red, redbilled, research, serengeti, sitting, species, tanzania, tarangire, tockus, toko, tropical, vertebrate, von, wilderness, wildlife,