Lesser Black-Backed Gull?

Lesser Black-Backed Gull?

Observation - Lesser Black-Backed Gull?. Description: Whilst some of my bird id has improved I still struggle with gulls. Dark back and yellow legs pursuade me that this is a Lesser Black-Backed Gull. confirmation or other ideas most welcome!

Whilst some of my bird id has improved I still struggle with gulls. Dark back and yellow legs pursuade me that this is a Lesser Black-Backed Gull. confirmation or other ideas most welcome!