Yuanyang (scientific name: Aix galericulata): Yuan refers to the male bird, and Yang refers to the female bird, so Yuanyang is a compound word. It is a medium-sized duck of the order Anseriformes, with a size between mallards and green-winged ducks, with a body length of 38-45 cm and a weight of about 0.5 kg. The male and female are of different colors, the male has a red beak, orange feet, bright and gorgeous feathers, a bright crest on the head, broad white eyebrow lines behind the eyes, and a pair of maroon fan-shaped upright feathers on the wings, standing like sails. The back is very unique and eye-catching, easily identifiable in the wild. The female bird has a black beak, orange feet, gray-brown head and upper body, white around the eyes, and a thin white eyebrow line behind it, which is also extremely eye-catching and unique.
