The wood duck is a medium-sized perching duck. A typical adult is from 47 to 54 cm (19 to 21 in) ( or 1.5 feet max.) In length with a wingspan of between 66 to 73 cm (26 to 29 in). The wood duck's weight ranges from 454-862 g (16.0-30.4 oz). This is about three-quarters of the length of an adult mallard. It shares its genus with the Asian Mandarin duck (Aix galericulata).The adult male has stunning multicolored iridescent plumage and red eyes, with a distinctive white flare down the neck. The female, less colorful, has a white eye-ring and a whitish throat. Both adults have crested heads.