Black-headed Gull

Larus ridibundus – GWYLAN PENDDU – Winter visitor and passage migrant, formerly bred

Black-headed Gull – 1994

Larus ridibundus – GWYLAN PENDDU – Winter visitor and passage migrant, formerly bred The Black-headed Gull was recorded by Mathew (1894) as only an autumn and winter visitor. Lockley et al. (1949) stated that there was said to be a large colony of Black-headed Gulls breeding on Caldey in 1662 and that Dowrog Pond and Trefeiddan were […]

Black-headed Gull – 1980s winter

Larus ridibundus – GWYLAN PENDDU – Winter visitor and passage migrant, formerly bred The BTO winter atlas showed that Black-headed Gulls were present in all 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 1,491 birds. Found […]