Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

Lesser Black-backed Gull intermedius NOS 4134634 16cy, November 02 2002, Westkapelle, the Netherlands.

Ringed as pullus in southern Norway, on 29 June 1988 at STOLEN, MANDAL, V-AGDER, NORWAY (58.00N 07.40E).

Primary moult score (PMS) of 38, with the outer primaries P9-P10 still old. Moult will progress at a very low pace or will be suspended until arrival at the wintering grounds. Compare the grey tone of the upper-parts in this mixed flock of LBBG from Scandinavia and Belgium. The ringed bird is a small (female) dark grey individual with brown hue on the older wing-coverts and with the head-streaking limited to the head, not reaching the sides of the breast.