David Pattyn / Black-headed gull (Chroicocephalus ridibundus) in flight above Wadden sea, Terschelling Island, The Netherlands, June

Andrew Parkinson / Black-headed gull (Chroicocephalus ridibundus) adult in winter plumage, taking off at dawn from tranquil lake. (Non-ex) Derbyshire, UK. Highly commended, GDT competition 2012, Nature's studio categor...

Andrew Parkinson / Black-headed gulls (Chroicocephalus ridibundus) small flock in winter plumage, backlit by evening sun, taking off from lake. Derbyshire, UK, March (non-ex)

Edwin Giesbers / Black-headed gull (Chroicocephalus ridibundus) landing, Farne Islands, Northumberland, UK, June

Gerrit Vyn / Laughing Gull (Leucophaeus atricilla) juvenile, heavily oiled as a result of the BP Deepwater Horizon oil spill in the Gulf of Mexico. Baldwin County, Alabama. USA, June 2010.

Paul Hobson / Black-headed gull (Chroicocephalus ridibundus) in winter plumage, on water, England, UK. February.

Wild Wonders of Europe / Allofs / Black-headed gull (Chroicocephalus ridibundus) in flight, Camargue, France, May 2009

Wild Wonders of Europe / Damschen / Two Black-headed gulls (Chroicocephalus ridibundus) in flight, one shaking its head, Elbe Biosphere Reserve, Lower Saxony, Germany, September 2008

Wild Wonders of Europe / Damschen / Black-headed gull (Chroicocephalus ridibundus) in flight carrying fish, Elbe Biosphere Reserve, Lower Saxony, Germany, September 2008

Wild Wonders of Europe / Damschen / Black-headed gull (Chroicocephalus ridibundus) in flight having dropped fish, Elbe Biosphere Reserve, Lower Saxony, Germany, September 2008

Wild Wonders of Europe / Varesvuo / Black-headed gull (Chroicocephalus ridibundus) large flock at water, Pusztaszer, Hungary, May 2008

Colin Varndell / Black-headed gull, winter plumage {Chroicocephalus ridibundus} UK.