Six studies of birds Math Eitemau Uwchlwytho gan Sir Kyffin Williams - Tu ôl i’r Ffrâm – Behind the Frame
Farmer and gulls at the coast Math Eitemau Uwchlwytho gan Sir Kyffin Williams - Tu ôl i’r Ffrâm – Behind the Frame
Lamby, Cardiff: Bird & Tracks Math Eitemau Uwchlwytho gan 'A Dedicated Naturalist', the Mary Gillham Archive Project
Lamby, Cardiff: Bird & Landscape Math Eitemau Uwchlwytho gan 'A Dedicated Naturalist', the Mary Gillham Archive Project
Flat Holm: Bird & Reptile Math Eitemau Uwchlwytho gan 'A Dedicated Naturalist', the Mary Gillham Archive Project
Flat Holm: Bird & Landscape Math Eitemau Uwchlwytho gan 'A Dedicated Naturalist', the Mary Gillham Archive Project
Recording of Shearwater return 5am-6:30am south of Farm, 7 April 2017 Math Eitemau Uwchlwytho gan Robert Berry
Skokholm - Lesser Black-backed x Herring Gull hybrid in 1995 Math Eitemau Uwchlwytho gan Skokholm Archives
Lesser Black-backed Gull (Larus fuscus), Skokholm Island Math Eitemau Uwchlwytho gan Skokholm Archives
South View of Milford Math Eitemau Uwchlwytho gan Llyfrgell Genedlaethol Cymru / The National Library of Wales
Kemaes-head, Pembrokeshire April 1 1815 Math Eitemau Uwchlwytho gan Llyfrgell Genedlaethol Cymru / The National Library of Wales
