Larus fuscus – GWYLAN GEFNDDU LEIAF – Breeding summer visitor, passage migrant, winter visitor
Lesser Black-backed Gull – WeBS 2021-22
The latest figures from the Wetland Bird Survey in Pembrokeshire – totals from all count sites.
Lesser Black-backed Gull – 2003-07 breeding
Larus fuscus – GWYLAN GEFNDDU LEIAF – Breeding summer visitor, passage migrant, winter visitor Comparison with previous atlas: 1984-88 2003-07 Breeding confirmed 24 30 Breeding probable 1 6 Breeding possible excluded from total excluded from total No of tetrads occupied 25 (of 478) 36 (of 490) Percentage of tetrads 5.2% 7.3% Formerly the main colonies […]
Lesser Black-backed Gull – 1994
Larus fuscus – GWYLAN GEFNDDU LEIAF – Breeding summer visitor, passage migrant, winter visitor 1984-88 Breeding confirmed 24 Breeding probable 1 Breeding possible excluded from total No of tetrads occupied 25 (of 478) Percentage of tetrads 5.2% Mathew (1894) knew of colonies of 20-30 pairs which Lockley et al (1949) used as a datum to note a […]
Herring x Lesser Black-backed Gull hybrids
Harris, M.P. 1970. Abnormal migration and hybridization of Larus argentatus and L. fuscus after interspecies fostering experiments. Ibis 112: 488-498. Summary Between 1962 and 1966 eggs of Larus argentatus and L. fuscus were interchanged andalmost 900 young were reared by the wrong species. Many of these cross-fostered young were later recovered or retrapped on and away from the colonies. […]
Lesser Black-backed Gull – 1980s winter
Larus fuscus – GWYLAN GEFNDDU LEIAF – Breeding summer visitor, passage migrant, winter visitor The BTO winter atlas showed that Lesser Black-backed Gulls were present in most 10km squares during the winters of 1981-82, 1982-82 and 1983-84. The darker the colour, the higher the relative total count for each 10km square, the darkest blue represents over 46 […]
Lesser Black-backed Gull – 1968-72 breeding
Larus fuscus graellsii Red = breeding confirmed Orange = breeding probable Yellow = breeding possible More about the Lesser Black-backed Gull in Pembrokeshire
Scandinavian Lesser Black-backed Gull – 1949
Species account from the Birds of Pembrokeshire, 1949, by Lockley, Ingram and Salmon.
British Lesser Black-backed Gull – 1949
Species account from the Birds of Pembrokeshire, 1949, by Lockley, Ingram and Salmon.
Lesser Black-backed Gull – 1894
Species account from the 1894 ‘Birds of Pembrokeshire and its Islands’ by Rev M A Mathew