Gyda'r tymor wyna wedi hen ddechrau, a llawer o famogiaid ac ŵyn i'w gweld mewn caeau ledled Cymru, mae'r Gweinidog Materion Gwledig, Lesley Griffiths, a'r Cydlynydd Troseddau Gwledig a Bywyd Gwyllt, Rob Taylor eisiau sicrhau bod perchnogion cŵn yn deall eu cyfrifoldebau.
With lambing season well underway, and ewes and lambs a common sight in fields across Wales, Rural Affairs Minister Lesley Griffiths and Rural and Wildlife Crime Coordinator Rob Taylor want to ensure dog owners understand their responsibilities.