pied duck

from The Collaborative International Dictionary of English v.0.48

Skunkhead \Skunk"head`\, n. (Zool.)
   (a) The surf duck.
   (b) A duck ({Camptolaimus Labradorus}) which formerly
       inhabited the Atlantic coast of New England. It is now
       supposed to be extinct. Called also {Labrador duck}, and
       {pied duck}.
       [1913 Webster]