Lesser Black-backed Gull (graellsii & intermedius)
L. f. graellsii W2VV 6cy January 28 2007, Landfill VRSU de Pinto, Madrid, Spain. Picture: Delfín González.
PVC black W2VV and metal BTO GA41332 graellsii, ringed on July 13 2002 as 30-days pullus at S. Walney Nature reserve, Barrow in Furness, Cumbria, England (54.03N - 03.12W), by David Sowter (davidsowter at freenet.co.uk). Distance to Madrid: 1.497 km.
Ringed 6cy graellsii, P10 fully grown.
26/01/2007 VRSU de Pinto, Madrid, Spain 40°16'N/3°38'W Delfín G., J.Ruiz, M.Juan, J.Marchamalo