Lesser Black-backed Gull (graellsii & intermedius)
(last update: May 17 2015)
LBBG 5cy & 7cy G.RAR July 03 2010 & August 20-27 2012, Katwijk, the Netherlands.
Ringed pullus graellsii "Dutch intergrade", ringed in Belgium on 13 July 2007.
below: 7cy G.RAR August 27 2012, Katwijk, the Netherlands.
In active complete moult: P3/P5. No dark centres on greater primary coverts.
below: 20 August 2012.
L. f. graellsii G.RAR July 03 2010, Heemskerk, the Netherlands. Picture Ruud Altenburg.
Ringed adult graellsii "Dutch intergrade", ringed in Belgium. Visible outer primaries (P5-P10) still old.