Tessa Coledale (RSPB) presented to the group on Biosecurity for Life, a project being jointly delivered by the RSPB, the National Trust, and the National Trust Scotland.
Cyflwynodd Tessa Coledale (RSPB) i'r grŵp bioddiogelwch am Oes, prosiect sy'n cael ei ddarparu ar y cyd gan yr RSPB, yr Ymddiriedolaeth Genedlaethol, ac Ymddiriedolaeth Genedlaethol yr Alban.