Gerallt Pennant yn trafod byd natur gyda Keith Jones, Ian Keith Jones ac Euros ap Hywel. Gerallt Pennant talks to nature experts Keith Jones, Ian Keith Jones and Euros ap Hywel.
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Gerallt Pennant yn trafod byd natur gyda Keith Jones, Ian Keith Jones ac Euros ap Hywel. Gerallt Pennant talks to nature experts Keith Jones, Ian Keith Jones and Euros ap Hywel.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
