mallard

A wild duck (Anas platyrhynchos) found almost worldwide, the male of which has a green head and neck. Most domestic ducks descend from the mallard.

The wild drake; the male of the common wild duck.

Hence The common wild duck, Anas boscas, the feral stock whence the domestic duck in all its varieties has descended, and the typical representative of the family Anatidœ and subfamily Anatinœ. See duck.

A drake; the male of Anas boschas.

A large wild duck (Anas boschas) inhabiting both America and Europe. The domestic duck has descended from this species. Called also greenhead.

A common and widespread dabbling duck, Anas platyrhynchos, whose male has a distinctive dark green head.

wild dabbling duck from which domestic ducks are descended; widely distributed