Beak Grinding If you see your budgie grinding his upper beak with lower one making soft sound that isΒ Beak Grinding.Β Budgies do it when they are relaxed and will probably go to sleep. Want To Learn More About budgies? ο»ΏGet my Budgie Educational Digital Ebooks which containΒ ο»Ώ32 topis about budgies and are 5 stars rated!