The wood duck or Carolina duck (Aix sponsa) is a species of perching duck found in North America. The drake wood duck is one of the most colorful North American waterfowl.
The wood duck is a medium-sized perching duck. A typical adult is from 47 to 54 cm in length with a wingspan of between 66 to 73 cm.
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.