Lesser Black Backed Gull

Lesser Black Backed Gull

Observation - Lesser Black Backed Gull - UK and Ireland. Description: Large flock 20- 30 suddenly and unusually landed in field(grazing) behind my garden Appeared to be spreadout and feeding for a while before moving on I thought they were Herring gulls until I looked more closely and they had very dark grey backs

Large flock 20- 30 suddenly and unusually landed in field(grazing) behind my garden Appeared to be spreadout and feeding for a while before moving on I thought they were Herring gulls until I looked more closely and they had very dark grey backs