nounplural noun mallard, plural noun mallards

• The most common duck of the northern hemisphere and the ancestor of most domestic ducks, the male having a dark green head and white collar.

  Anas platyrhynchos, family Anatidae

  ‘We saw lots of waterfowl, mostly Canada geese and mallards with the odd Gadwall.’

  More example sentences

  • ‘This paper examines the function of female resistance behavior in one of the dabbling ducks, the mallard.’
  • ‘The teals, mallards and other small ducks were all paddling about.’
  • ‘There were about 50 coots, 25 shovelers, and a handful each of mallards and ferruginous ducks.’
  • ‘The most abundant and widespread of all waterfowl, the mallard is also the most hunted game bird.’