145331 Wood Duck Aix sponsa L 43-50cm. Distinctive duck; males is particularly striking. Sexes are dissimilar. Adult male has shiny greenish blue crown and mane, with white lines. Chin and throat are white, extending as white lines on face. Breast is maroon, flanks are buff and back is greenish; white lines separate these areas. Adult female has mainly brown plumage, darkest on back and head. Breast and flanks have buffish streak-like spots. Has white ‘spectacle’, small amount of white on throat, and dark bill. Juvenile resembles adult female. Voice Mostly silent. Status Introduced from North American. Found on ornamental lakes but tiny feral population also exists.