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

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

n. A drake; the male of Anas boschas.

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

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

n. 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.

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

"When I was a kid (forty years ago) I literally picked up a hen and drake mallard from a drainage ditch in then remote Western Montana."

duck   

greenhead   

drake   

Ballard   

widgeon    shoveller    pintail    teal    shoveler    waterfowl    fire-swinger    gold-shot    curlew    blackfellow