Datei:RED-BREASTED MERGANSER.jpgDescriptionRED-BREASTED MERGANSER.jpg English: The female Red-breasted Merganser has a red head; the male has a green head but they winter in the Carolinas
Datei:Red-breasted merganser.jpgDescriptionRed-breasted merganser.jpg English: Male and female Red-breasted Merganser (Mergus serrator) at Oslo harbour. Svenska: Hane och hona av småskrake