Lesser Black-backed Gull (graellsii & intermedius)
L. f. graellsii M:J March 20 2006 & February 18 2007, Landfill VRSU de Pinto, Madrid, Spain. Picture: Delfín González.
PVC green M:J & BTO metal, ringed at Bristol, UK (51º27´N/02º35´W) in July 2005 by Peter Rock (pete.rock at blueyonder.co.uk).
below: M:J 2cy March 20 2006, Landfill VRSU de Pinto, Madrid, Spain.
Ringed 2cy graellsii, in 1st winter. Left wing: visible wing-coverts and tertials juvenile: tt1-5, gc1-11, mc1-10, llc1-9. In lc probably 2 feathers 2g (?) in the carpal edge. Rest of visible lc is juvenile (90% visible).
below:graellsii M:J June 29 2006, Monceau-sur-Sambre, Belgium. Picture: Marc Fasol.
Active complete moult, with many new wing-coverts now.
below:graellsii M:J 3cy February 18 2007, Landfill VRSU de Pinto, Madrid, Spain.
Grey saddle and grey 3rd gen median covert bar (replaced in partial autumn moult). Other coverts still 2nd gen barred feathers.