If the hedgerow is rich in hazel and honeysuckle keep an eye out for signs of dormice – they eat their favourite food, hazel nut, in a particular way.
Os oes llawer o gyll a gwyddfid yn y gwrych, cadwch lygad ar agor am bathewod – maen nhw’n bwyta eu hoff fwyd, cnau cyll, mewn ffordd benodol.