Answer: scaup

AnswerCrossword Clue
SCAUPSea duck.
scaupany of several diving ducks of the genus Aythya, esp. A. marila(greater scaup), of the Northern Hemisphere, having a bluish-gray bill
scaupto cut the scalp from
SCAUPCanvasback relative
SCAUPCousin of a mallard
SCAUPType of duck
SCAUPWild duck
SCAUPDuck that dives
SCAUPDuck.
SCAUPDiving duck
SCAUPWild duck.
SCAUPDuck related to the redhead.
SCAUPSpecies of duck.
SCAUPKind of duck.
SCAUPDiving duck.
SCAUPRelative of the canvasback.
SCAUPA duck.
SCAUPBay duck