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I have been interested in nature for most of my life but since I retired I spend as much time as I can exploring the nature reserves and wildlife hotspots of my adopted home, Dorset in southern England. Whilst out I record what I see and take snaps where I can (I am no photographer!) and that forms the basis of my Nature of Dorset website. When I find something new I like to research it and write about it in my nature notes, it is how I learn and hopefully you might find my notes helpful as well!

This website is for the people of Dorset interested in wildlife and for people from elsewhere interested in the wildlife of Dorset!

05 November, 2010

Great Black Backed Gull (Larus marinus)

The third 'common' gull in Dorset is the Great Black Backed Gull. By no means as numerous as the Black Headed or the Herring Gull but you can potentially see them anywhere along the coast line from the harbours to the cliffs.

They seem to be less keen on the company of other Great Black Backs and prefer to hang around with other species of gulls and it is quite usual to see in amongst a flock of other gulls a couple of these.

They are by far the biggest of the common three and indeed of all the gulls we get in Dorset and have, as their name implies (which is not always a good guide!) a very dark back. The only possible confusion would be with the Lesser Black Backed Gull which is smaller (the size of a Herring Gull), possibly not such a dark back and in Dorset not so common.

The Great Black Backed Gull is a ferocious predator, having the advantage of size over its competitors and readily takes chicks of other gulls, terns and waders. They are also great 'muggers' watching the other species of gull around them and if they see one with food will attack and chase it until it drops the food and then swoops down to claim its prize.

Their big wing span makes them superb gliders and is wonderful to see them out at sea looking for all the world like an albatross.