Assistant Warden Arfon Williams, Skomer Island 1989/1990 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Field Assistant Madelaine Prankley 1989 and seal assistant Graham Banwell, Skomer Island, 1989 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Staff at North Haven landing steps, Skomer Island, 1986 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Jim Poole Field and seal assistant, Skomer Island, 1991 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Steve Sutcliffe ringing a Storm Petrel, Skomer Island, 1986 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Gull counting weekend, North castle, Skomer Island, 1987 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Gull counting weekend, North castle, Skomer Island, 1987 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
