Ключевые слова: africa, alertness, algarve, animal, asia, beak, beautiful, bill, bird, black, borneo, bright, buceros, captive, close, closed, colorful, cute, ecology, endemic, feather, fly, forest, green, horizontal, horn, hornbill, indonesia, jungle, malaysia, migration, nature, no people, rainforest, red, rhino, rhinoceros, species, strange, sumatra, tropical, wild, wildlife, zoo,