Ключевые слова: animal, avian, beak, bird, birdwatching, blacknecked, chordata, crane, cranes, ecology, environment, feather, feathered, gruidae, gruiformes, grus, head, heron, hunt, longlegged, longnecked, marsh, migrate, migratory, nature, neck, nigricollis, ornithology, outdoor, prey, scavenge, scavenger, tibetan, wild, wildlife, wing, zoo,