Gareth Platt - Black-headed Gull
Found today (12th Dec) at Carrickfergus Harbour. IA114059 was ringed as an adult male on the 14th May 2008, at Bohmke Und Werder in the north-east coast of Germany, close to the Polish Border.
It was sighted at Carrickfergus Harbour on the 4th November 2013, 5 years, 5 months and 21 days after being ringed. The distance is 1,285km / 798 miles.
Todays sighting comes after 7 years, 7 months and 8 days, since this gull was ringed. A reference of it can be found on the BTO Online Ringing Report (Link added below). Another example of favoured wintering sites.
http://app.bto.org/ring/countyrec/resultsall/recGBUANall.htm
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