Over many years, across Britain, there has been a huge decline in insects which pollinate our wildflowers, and our crops, also known as pollinators.
Dros nifer o flynyddoedd, ar draws Prydain, bu dirywiad enfawr mewn pryfed sy'n peillio ein blodau gwyllt, a'n cnydau, a elwir hefyd yn bryfed peillio.