Lesser Black-backed Gull Larus fuscus

Lesser Black-backed GullLesser Black-backed Gull -- smaller and greyer than the Great Black-backed and with yellow legs
Lesser Black-backed GullIt's a boring life
Lesser Black-backed GullAdult Lesser Black-backed Gulls, like many other gulls, have a red spot on the lower beak
Lesser Black-backed Gull with crabWith crab on the Thames at low tide
Lesser Black-backed Gull Most of the body is white
Lesser Black-backed Gull The back is dark grey and the wings are dark grey with black tips
Lesser Black-backed Gull and white edging and "mirrors" at the corner ("wing mirrors")
Young Lesser Black-backed Gull? Young Lesser Black-backs look similar to young Herring Gulls
Young Lesser Black-backed Gulls Their pink feet gradually turn to the adult's yellow
Young Lesser Black-backed Gull? As do their black beaks; birds take 4 years to reach adulthood.