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n.1.(Zool.) The ring-necked scaup duck; - called also ring-billed blackhead. See Scaup.
References in periodicals archive ?
I promptly shot two drake bluebills and a ringbill, then picked up my camera to film the spectacle.
Sure, I hunt wood ducks in winter, right along with mallards and ringbills and pintails and such.
Hunting early teal and ringbills, we killed ducks stone dead out to around 50 yards.
Canvasbacks, redheads, bluebills, ringbills and butterballs all usually find their way into hunter's bags.