Abbotsbury Swannery, Dorset , 22-05-07, 231 km, SW; Scotney Pit, Dungeness, Kent, 20-12-07, 879 days, 160 km, SSE; Pointe du Hourdel, Baie de Somme, FRANCE, 20-04-08, 255 km SSE; Parc du Marquenterre, Baie de Somme, FRANCE, 20-04-08, 250 km SSE; … Bird ringing in Britain and Ireland is organised and co-ordinated by the British Trust for Ornithology (BTO). A network of over 2500 highly trained and licensed volunteers currently ring over 850000 birds every year

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Ivel Ringing Group: BTO Codes clarified