Aythya marila

Aythya marila
    n 1: large scaup of North America having a greenish iridescence
         on the head of the male [syn: {greater scaup}, {Aythya
         marila}]
    

Scaup \Scaup\ (sk[add]p), n. [See {Scalp} a bed of oysters or
   mussels.]
   1. A bed or stratum of shellfish; scalp. [Scot.]
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   2. (Zool.) A scaup duck. See below.
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   {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.
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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}.
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   2. (Zool.) The shoveler. See {Shoveler}.
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