Photographs of birds by P. Frank, Skomer Island, June 1997. Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Seabird nesting on cliffs around Skomer Island, c.1910 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
David Boyle with a Manx Shearwater on the isthmus, Skomer Island, c.2010 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
