Duncan Brown, Rhys Evans a Hywel Roberts sy'n trafod pynciau o fyd natur gyda Gerallt Pennant. Gerallt Pennant and guests discuss nature, wildlife and conservation. Show more
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Duncan Brown, Rhys Evans a Hywel Roberts sy'n trafod pynciau o fyd natur gyda Gerallt Pennant. Gerallt Pennant and guests discuss nature, wildlife and conservation. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
