crane Thag.307; Ja.ii.363; Ja.iii.226; Mil.128 (˚ānaṃ megha-saddena gabbhâvakkanti hoti); Vism.126 (in simile, megha-mukhe b. viya); DN-a.i.91 (variant reading baka).

cp. Vedic balākā, perhaps to Lat. fulica, Gr. φαλαρίς a water fowl, Ohg. pelicha = Ger. belche