The Collaborative International Dictionary of English v.0.48:

Whaap \Whaap\, n. [So called from one of its notes.] (Zool.)
   (a) The European curlew; -- called also awp, whaup,
       great whaup, and stock whaup.
   (b) The whimbrel; -- called also May whaup, little whaup,
       and tang whaup. [Prov. Eng. & Scot.]
       [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Whimbrel \Whim"brel\, n. [Cf. Whimper.] (Zool.)
   Any one of several species of small curlews, especially the
   European species (Numenius phaeopus), called also Jack
   curlew, half curlew, stone curlew, and tang whaup. See
   Illustration in Appendix.
   [1913 Webster]

   Hudsonian or, Eskimo, whimbreal, the Hudsonian curlew.
      [1913 Webster]