Just received details on the colour ringed Common Gull in the album from Kalev Rattiste in Estonia -- details below -- have there been previous Estonian ringed Common Gulls in Lincs? From a quick look at the Migration atlas maps there are a few recoveries from that country in Britain
Larus canus, white PMMA ring P7V8 (ID= 3656)
• ringed 27.05.2008 with aluminium ring Estonia Matsalu U 275439 (on left tibia) as a chick in Kakrarahu colony (nest no. 190), Matsalu Nature Reserve, Estonia (58°46’ N 23°26’ E).
• metal ring of a breeding male read 19.05.2010 in Kakrarahu colony, nest no. 616.
• caught 11.06.2011 as a breeding male in Kakrarahu colony, nest no. 631. White PMMA ring P7V8 added on right tarsus. Blood sample taken.
• observed 05.02.2012 feeding on fish waste in an open container at Grimsby Fish Docks, North Lincolnshire, England (53°34’54.5110’’N 0°03’49.70’’E) by Graham Catley. A photo taken.
