"A wayle whyt ase whalles bon" ('A beauty white as whale's bone'), also titled after the opening of its refrain "Ich wolde ich were a threstelcok" ('I wish I were a throstle-cock'), is an anonymous late-13th or early-14th century Middle English lyric poem.
[1] The text forms part of the collection known as the Harley Lyrics (MS. Harley 2253, f.
67r).
[1] The persona praises, and carnally desires, a beautiful woman (wayle; lit.
'selection' or 'preference') who is very white (as 'whale's bone').