Lesser Black-backed Gull (graellsii & intermedius)(last update: May 17 2015) |
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lbbg 1cy May lbbg 2cy January lbbg 3cy January lbbg sub-ad Jan lbbg adult January |
Lesser Black-backed Gull intermedius J636Z 2CY, August 27 2017, Utrecht, the Netherlands.Ringed as pullus in Norway. CR-Code Black ring with white code: J636Z LBM;RBNW(J636Z)
P8>P7, hence P8 f.g. P9-P10 growing. Secondaries and tail seem to be old 2nd gen, as wll as old 2nd gen central and outer GC and LC. All these feathers probably included last winter, in a late-winter post-juvenile moult. |