English: foraging 
Welsh: twrio am fwyd
Subject: Amaeth
English context: Feather pecking is a displaced foraging behaviour and is more common in birds which are stressed.
Welsh context: Ymddygiad afleoledig yw pigo pluf, pan na chaiff iâr dwrio am fwyd, ac mae'n fwy cyffredin mewn adar sy'n dioddef straen.