scaup duck

3 definitions found

scaup duck - Collaborative International Dictionary of English v.0.48 :

  Scaup \Scaup\ (sk[add]p), n. [See Scalp a bed of oysters or
     mussels.]
     1. A bed or stratum of shellfish; scalp. [Scot.]
        [1913 Webster]
  
     2. (Zool.) A scaup duck. See below.
        [1913 Webster]
  
     Scaup duck (Zool.), any one of several species of northern
        ducks of the genus Aythya, or Fuligula. The adult
        males are, in large part, black. The three North American
        species are: the greater scaup duck (Aythya marila, var.
        nearctica), called also broadbill, bluebill,
        blackhead, flock duck, flocking fowl, and raft  duck
        ; the lesser scaup duck (Aythya affinis), called
        also little bluebill, river broadbill, and shuffler;
        the tufted, or ring-necked, scaup duck (Aythya  collaris
        ), called also black jack, ringneck,
        ringbill, ringbill shuffler, etc. See Illust. of
        Ring-necked duck, under Ring-necked. The common
        European scaup, or mussel, duck (Aythya marila), closely
        resembles the American variety.
        [1913 Webster]

  Broadbill \Broad"bill`\, n.
     1. (Zool.) A wild duck (Aythya marila, or Fuligula  marila
        ), which appears in large numbers on the eastern
        coast of the United States, in autumn; -- called also
        bluebill, blackhead, raft duck, and scaup duck.
        See Scaup duck.
        [1913 Webster]
  
     2. (Zool.) The shoveler. See Shoveler.
        [1913 Webster]

scaup duck - WordNet (r) 2.1 (2005) :

  scaup duck
      n 1: diving ducks of North America having a bluish-grey bill
           [syn: scaup, scaup duck, bluebill, broadbill]