Birds of New Hampshire & Vermont Field Guide. Stan Tekiela

in an earthen bank when tree cavities are scarce. Will use a nest box. Uses down feathers to line the nest cavity. Unlike other ducks, the young remain in the nest for up to two days before venturing out with their mothers. Female is very territorial and stays with the same mate for many years.

       female

      male

      Lesser Scaup

      Aythya affinis

      MIGRATION

      WINTER

Size:	16-17" (40-43 cm)
Male:	Appears mostly black with bold white sides and a gray back. Chest and head look nearly black, but head appears purple with green highlights in direct sun. Bright yellow eyes.