Lesser Black-backed Gull- Kleine Mantelmeeuw (graellsii & intermedius)
(last update: 30 April 2014)
(4 images) LBBG 2cy JX86 September 16 2002, Scheveningen, the Netherlands.
The primary moult pace is low and slightly delayed with p7 new, p8 at 1/4 of its length and p9 & p10 still juvenile. Such a small moult gap (p8 growing and p9 still present) might be a reasonable adaptation for long migration. The two central tail-feathers are missing, with R3-R6 is still old, bleached pale brown and lacking the white edge. Secondaries s1-s6 have been replaced and s7-s9 are missing. The inner secondaries are still juvenile.
This is a strong and powerful bird (male?), compared to other, smaller (female?) intermedius LBBG, present in a small flock of 40. The bird was ringed as pullus at Vest-Agder, southern Norway.
CR-Code Blue with white code JX86 Ringing Centre Stavanger