Bence Mate / Black headed gull (Chroicocephalus ridibundus) in flight, blurred motion, Kiskunsagi National Park, Pusztaszer, Hungary. June.

Bence Mate / Black headed gull (Chroicocephalus ridibundus) taking off with foot caught in discarded coat hanger, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. May. Awarded in Wildlife Photojournalist:...

Michel Poinsignon / Black headed gull (Chroicocephalus ridibundus) taking off, detail of legs and water droplets, Pusztaszer, Hungary, April

Ernie Janes / Black headed gull (Larus ridibundus) in winter plumage, Titchwell RSPB reserve, Norfolk, England, UK, December.

Ben Hall / Black headed gull (Chroicocephalus ridibundus) taking flight, artistically blurred photograph. Cheshire, UK, October. Highly honoured in the Art in Nature category of the Nature's Best Windland Smith...

Ben Hall / Black-headed gull (Larus ridibundus) alighting on water at dawn, Cheshire, UK, November. Highly Commended in the British Wildlife Photography Awards (BWPA) competition 2013.

Ben Hall / Black-headed gull (Chroicocephalus ridibundus) in flight, artistically blurred photograph, Cheshire, UK, February. Highly Commended in the British Wildlife Photography Awards (BWPA) competition 2013....

Loic Poidevin / Common gull (Larus canus) and Black-headed gull (Chroicocephalus ridibundus) group perched on branch. Finland. May.

Nick Upton / Black-headed gulls (Chroicocephalus ridibundus) in fight over nesting territory on a lake margin, Gloucestershire, UK, April.

Nick Upton / Black-headed gull (Chroicocephalus ridibundus) male regurgitating food for its mate on their teritory on the margins of a lake, Gloucestershire, UK, April.

Ernie Janes / Black headed gulls (Larus ridibundus) in flight photographed with a wide angle lens, East Anglia, UK, January.