How do two black swans comment on it in the water?

Black swan is a rare species. Compared with ordinary swans, their appearance is more special and their feathers are painted black. From the aesthetic point of view, the black swan gives people a mysterious and elegant feeling. In the water, the black swan is graceful and swims smoothly, giving people a feeling of lightness and agility. The black swan is a little quiet in the water. They usually don't flap their wings and splash like ordinary swans. When swimming underwater, they are more dignified and quiet. This quiet atmosphere and the unique shape of the black swan complement each other, making them more eye-catching in the water. Generally speaking, the black swan shows a mysterious, elegant and unique aesthetic feeling in the water.