Ключевые слова: active, amur, animals, asian, avian, background, birds, cranes, crown, crowned, dance, east asian crane, fauna, field, fight, flock, group, grus, grus japonensis, hokkaido, japan, japanese, japonensis, kushiro, large east asian crane, lek, manchurian, manchurian crane, marriage, mating, nature, red, red crowned crane, redcrowned, ritual, seasons, singing, snow, song, spreading, sunset, view, weather, white, wild, wild life, wilderness, wildlife, wings, winter,