Flocks of “guests” in black and white and with rounded bodies have visited the wetland in Jinzhou, Liaoning Province. They are avocets, a type of rare birds, known as the strangest and most beautiful birds among fairies of wetland. They have upturned black beak that is long and slim, long legs, and feathers in black and white, all with elegant postures, adding interest and dynamism to the wetland.