(Credit: U. S. Geological Survey)

Wood Duck - Aix sponsa

Identification Tips:

  1. Length: 13.5 inches Wingspan: 28 inches
  2. A medium-sized duck with a long crest on head
  3. Long-winged and long-tailed
  4. Blue-green speculum with white rear border

Adult male alternate:

  1. Alternate plumage worn from Fall-through early summer
  2. Red bill
  3. Red eye
  4. Green head
  5. Striking white stripes about face and crest with a large white throat patch and "fingerlike" extensions onto cheek and neck
  6. Chestnut breast and neck with vertical white stripe at lower margin
  7. Golden flanks bordered above by a white flank stripe
  8. White belly
  9. Iridescent dark green-blue back and wings

Adult male basic:

  1. In basic plumage, the male resembles the female, but often retains the distinctive neck patch and red bill

Adult female:

  1. Gray bill
  2. White teardrop shaped patch around eye
  3. White throat
  4. Gray-brown head and neck
  5. Gray-brown breast stippled with white and fading to a white belly
  6. Dark brown back

Juvenal plumage:

  1. Gray bill
  2. Female similar to adult female
  3. Males similar to adult females, but with white neck patch

Similar species:

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