Black-headed Gull Chroicocephalus ridibundus

Black-headed gull
Black-headed gull
Black-headed gull
The Black-headed Gull does not have a black head! In winter it has a white head with a dark patch at the "ear". It also has a red beak tipped with black and red legs.
Black-headed gull
Black-headed gull
Black-headed gull
In summer breeding plumage the gull has a dark chocolate brown face, including crown and chin but not nape.
Black-headed gull
Black-headed gull
Black-headed gull
In transition it would appear to have two rows of dark grey headphones, impersonating a Bar-headed Goose.
Black-headed gull
Black-headed gull
Black-headed gull
Black-headed gull
Black-headed gull
Black-headed gull
Like most gulls, they gather in flocks and can be noisy and boisterous over food.
Black-headed gull dive-bombing cormorants Black-headed Gulls dive-bombing Cormorants to steal their fish
Black-headed gull dive-bombing cormorants
Black-headed gull stealing from moorhen Stealing food from Moorhen
Young black-headed gull
Young black-headed gull
Young black-headed gull
Young Black-headed Gull almost in adult plumage; beak and legs are still orange rather than red.
Young black-headed gull
Young black-headed gull
Young black-headed gull
Ghost of the Tower The ghost of the Tower (of London)
Different perspective Different perspective
Black-headed Gull