Source : Webster's Revised Unabridged Dictionary (1913)

Sea crow \Sea" crow`\ (Zo["o]l.)
   (a) The chough. [Ireland]
   (b) The cormorant.
   (c) The blackheaded pewit, and other gulls.
   (d) The skua.
   (e) The razorbill. [Orkney Islands]
   (f) The coot.