Ключевые слова: australia, beautiful, bill, birds, black, couple, courting, courtship, cygnus, cygnus atratus, elegance, elegant, endangered, feather, feathers, float, floating, graceful, lake, love, majestic, native, neck, new zealand, pair, plumage, protected, ripples, swans, symbol, symbolic, threatened, water, waterbirds, wedding, wings,