A raven and assistant warden Tim Lewis, Skomer Island, 1995 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Gull counting weekend, North castle, Skomer Island, 1987 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Seabirds at South Haven and The Wick, Skomer Island, June 1988 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Manx Shearwater chick ringing, Skomer Island, August 1990 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Preparing for the bird count, Skomer Island, August1990 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Live camera feed of a Manx Shearwater burrow, Skomer Island 1996 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Song thrush fledgling at Old Farm, Skomer island, 7 May 1998 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
An Iceland gull on North Pond, Skomer Island, 2nd April 1998 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Juvenile red-backed shrike, Green Pond, Skomer Island, 19 September 1998 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Juvenile Montagu's Harrier, Skomer Island, 27th August 1998 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
Goose Barnacles, North Haven, Skomer Island, 5th Nov 2001 Math Eitemau Uwchlwytho gan Archif Ynys Sgomer
