Source : Webster's Revised Unabridged Dictionary (1913)

Yarwhip \Yar"whip`\, n. [So called from its sharp cry uttered
   when taking wing.] (Zo["o]l.)
   The European bar-tailed godwit; -- called also {yardkeep},
   and yarwhelp. See {Godwit}. [Prov. Eng.]