And here's a Black-tailed Godwit with a wealth of information:
Thank you for the sighting. this bird was ringed as chick in 1999, by Tómas Gunnarsson. Topline is the ringing information.
Thanks again
Böðvar
YO-YR 10.07.99 Mosfell, Árnessýsla, S Iceland
YO-YR 25.11.99 Clonakilty, Co. Cork, S Ireland
YO-YR 31.11.99 Clonakilty, Co. Cork, S Ireland
YO-YR 10.01.00 Clonakilty, Co. Cork, S Ireland
YO-YR 23.01.00 Clonakilty, Co. Cork, S Ireland
YO-YR 27.09.00 Clonakilty, Co. Cork, S Ireland
YO-YR 05.10.00 Clonakilty, Co. Cork, S Ireland
YO-YR 19.09.01 Clonakilty, Co. Cork, S Ireland
YO-YR 04.10.01 Clonakilty, Co. Cork, S Ireland
YO-YR 08.10.01 Clonakilty, Co. Cork, S Ireland
YO-YR 09.10.01 Clonakilty, Co. Cork, S Ireland
YO-YR 19.10.01 Clonakilty, Co. Cork, S Ireland
YO-YR 21.10.01 Clonakilty, Co. Cork, S Ireland
YO-YR 05.11.01 Clonakilty, Co. Cork, S Ireland
YO-YR 20.11.01 Clonakilty, Co. Cork, S Ireland
YO-YR 01.12.01 Clonakilty, Co. Cork, S Ireland
YO-YR 15.07.02 Clonakilty, Co. Cork, S Ireland
YO-YR 03.08.02 Clonakilty, Co. Cork, S Ireland
YO-YR 05.08.02 Clonakilty, Co. Cork, S Ireland
YO-YR 05.09.02 Clonakilty, Co. Cork, S Ireland
YO-YR 06.09.02 Clonakilty, Co. Cork, S Ireland
YO-YR 08.09.02 Clonakilty, Co. Cork, S Ireland
YO-YR 05.10.02 Clonakilty, Co. Cork, S Ireland
YO-YR 20.11.02 Clonakilty, Co. Cork, S Ireland
YO-YR 24.03.03 Ouderkerk, Noord Holland, W Netherlands
YO-YR 25.03.03 Ouderkerk, Noord Holland, W Netherlands
YO-YR 07.04.03 Ouderkerk, Noord Holland, W Netherlands
YO-YR 17.04.03 Ouderkerk, Noord Holland, W Netherlands
YO-YR 07.08.03 Clonakilty, Co. Cork, S Ireland
YO-YR 08.08.03 Clonakilty, Co. Cork, S Ireland
YO-YR 27.08.03 Clonakilty, Co. Cork, S Ireland
YO-YR 17.10.03 Clonakilty, Co. Cork, S Ireland
YO-YR 24.10.03 Clonakilty, Co. Cork, S Ireland
YO-YR 19.04.04 Loch Beg, Londonderry, N Ireland
YO-YR 16.03.05 Ouderkerk, Noord Holland, W Netherlands
YO-YR 12.03.06 Ouderkerk, Noord Holland, W Netherlands
YO-YR 19.10.06 Cork Harbour, Co. Cork, S Ireland
YO-YR 18.02.07 Sado Estuary, W Portugal
YO-YR 08.11.09 Glounthaune, Cork Harbour, Co. Cork, S Ireland
YO-YR 13.02.11 Ze do Pinho, Porto, Tejo (Tagus), W Portugal
YO-YR 20.03.11 Neerijnen, Het Broek, Gelderland, C Netherlands
YO-YR 05.08.11 Snettisham, the Wash estuary, Norfolk, E England
YO-YR 27.09.13 Bowling green Marsh RSPB reserve, Topsham, Exeter, Devon, SW England
I often see colour-ringed BTG's at BGM this is the best history so far.