The Collaborative International Dictionary of English v.0.48:

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]

The Collaborative International Dictionary of English v.0.48:

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]