Surf duck

Scoter \Sco"ter\, n. [Cf. Prov. E. scote to plow up.] (Zool.)
   Any one of several species of northern sea ducks of the genus
   {Oidemia}.
   [1913 Webster]

   Note: The European scoters are {Oidemia nigra}, called also
         {black duck}, {black diver}, {surf duck}; and the
         velvet, or double, scoter ({Oidemia fusca}). The common
         American species are the velvet, or white-winged,
         scoter ({Oidemia Deglandi}), called also {velvet duck},
         {white-wing}, {bull coot}, {white-winged coot}; the
         black scoter ({Oidemia Americana}), called also {black
         coot}, {butterbill}, {coppernose}; and the surf scoter,
         or surf duck ({Oidemia perspicillata}), called also
         {baldpate}, {skunkhead}, {horsehead}, {patchhead},
         {pishaug}, and {spectacled coot}. These birds are
         collectively called also {coots}. The females and young
         are called {gray coots}, and {brown coots}.
         [1913 Webster]
    

Surf \Surf\, n. [Formerly spelled suffe, and probably the same
   word as E. sough.]
   The swell of the sea which breaks upon the shore, esp. upon a
   sloping beach.
   [1913 Webster]

   {Surf bird} (Zool.), a ploverlike bird of the genus
      {Aphriza}, allied to the turnstone.

   {Surf clam} (Zool.), a large clam living on the open coast,
      especially {Mactra solidissima} (syn. {Spisula
      solidissima}). See {Mactra}.

   {Surf duck} (Zool.), any one of several species of sea ducks
      of the genus {Oidemia}, especially {Oidemia
      percpicillata}; -- called also {surf scoter}. See the Note
      under {Scoter}.

   {Surf fish} (Zool.), any one of numerous species of
      California embiotocoid fishes. See {Embiotocoid}.

   {Surf smelt}. (Zool.) See {Smelt}.

   {Surf whiting}. (Zool.) See under {Whiting}.
      [1913 Webster]