Further to my recent blog entry about A:D the colour ringed lesser black backed gull, I now know the origin of the bird. Peter Rock, who has been studying breeding gulls on Bristol rooftops for many years has been in contact with deatils. The bird was ringed by him as a young bird in Bristol on 20th June 2003. With both lesser black backed and herring gulls increasing as breeding birds in Gwent its worth keeping a an eye out for more colour ringed birds.
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