Lesser Black-backed Gull (graellsii & intermedius)
L. f. intermedius JZZ7 2cy-3cy-4cy, 2010-2012. Pictures Christian Pedersen, Maarten van Kleinwee & Theo Muusse.
Ringed 2cy intermedius, ringed in Vest-Agder, S Norway.
CR-Code Black ring with white code: JZZ7 LBNW(JZZ7);RBM
below: JZZ7 August 11 2010, Barneveld, the Netherlands. Pictures Maarten van Kleinwee & Theo Muusse.
Complete moult: P1-P5 new, P6 growing, P8-P10 still juvenile. Moult in outer secondaries just started. Tail completely 2nd gen, maybe already replaced at wintering grounds last spring. Note also old 2nd gen greater coverts.
below: 3cy JZZ7 July 29 2011, Barneveld, the Netherlands. Picture: Maarten van Kleinwee.
P2 fully grown, P3 growing, P5-P10 old. Compare to 2cy in summer, and note that all greater coverts have been replaced again, and a subsequent moult in inner greater coverts and upper tertials.
below: 3cy JZZ7 August 12 2011, Barneveld, the Netherlands. Picture: Maarten van Kleinwee.
below: 3cy JZZ7 September 09 2011, Barneveld, the Netherlands. Picture: Maarten van Kleinwee.
P5/P8, P6 almost fully grown. S1 growing. Complete tail still present here.
below: 4cy JZZ7 November 21 2012, Anza - Agadir, Morocco. Picture Christian Pedersen.
P8/P10. P9 growing, small moult gap. Tiny mirror on 3rd gen P10.