The Mandarin Duck is a medium-sized, East Asian perching duck, closely related to the North American Wood Duck. It is (approximately) 16.14 in. long with a 65–75 cm wingspan. The adult male is a striking and unmistakable bird. It has a red bill, large white crescent above the eye and reddish face and "whiskers". The breast is purple with two vertical white bars, and the flanks ruddy, with two orange "sails" at the back.