Wood duck Aix sponsa

Identification Tips:

Adult male alternate:

Adult male basic:

Adult female:

Juvenal plumage:

Similar species:

Adult male is unmistakable. Female, immature and eclipse males are nondescript, but distinctive in face pattern, shape and speculum pattern.

Length and wingspan from: Robbins, C.S., Bruun, B., Zim, H.S., (1966). Birds of North America. New York: Western Publishing Company, Inc.