Lesser Black-backed Gull (graellsii & intermedius)
L. f. graellsii R0PD April 01 2007, Landfill VRSU de Pinto, Madrid, Spain. Picture: Delfín González.
PVC black R0PD and metal BTO ring. Probably ringed as pullus at Ribble Estuary, Lancashire, UK (53º 42´N,02º 55´W) in July 2005 by David Sowter.
Ringed 3cy graellsii, ringed in the U.K.
Immature bird with grey saddle and with much black on the bill, barred brown greater wing-coverts, no tips to the outer primaries and no mirror on P10; much black in tail.