Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

2 pictures: LBBG 3cy 5.414.464July 04 2005, Amsterdam, the Netherlands.

NLA 5.414.464. Rather typical 3cy bird with old second generation tail-feathers and primaries. Note dark bill-band. P1-P2 are growing; P4-10 are old second generation; all tail-feathers are still old second generation, although one feather (R1 left) is third generation.