There are long-term volunteering opportunities with Brown Hairstreak egg counting and Marsh Fritillary surveys, which would offer opportunities to join in with established and experienced groups.
Mae cyfleoedd gwirfoddoli tymor hir ar gael drwy gyfrif wyau'r brithribin brown a chynnal arolygon britheg y gors, a fyddai'n cynnig cyfleoedd i ymuno â grwpiau sefydledig a phrofiadol.