Common Gull?

Common Gull?

Observation - Common Gull? - UK and Ireland. Description: It was keeping a respectful distance from a big flock of Black-headed Gulls, Herring Gulls and Lesser Black-backed Gulls until it decided to leave. That's when I took the pics.

It was keeping a respectful distance from a big flock of Black-headed Gulls, Herring Gulls and Lesser Black-backed Gulls until it decided to leave. That's when I took the pics.