Lesser Black-backed Gull (graellsii & intermedius)

(last update: 22-2-2011)

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LBBG rings

lbbg 1cy May
lbbg 1cy June
lbbg 1cy July
lbbg 1cy August
lbbg 1cy September
lbbg 1cy October
lbbg 1cy November
lbbg 1cy December

lbbg 2cy January
lbbg 2cy February
lbbg 2cy March
lbbg 2cy April
lbbg 2cy May
lbbg 2cy June
lbbg 2cy July
lbbg 2cy August
lbbg 2cy September
lbbg 2cy October
lbbg 2cy November
lbbg 2cy December

lbbg 3cy January
lbbg 3cy February
lbbg 3cy March
lbbg 3cy April

lbbg 3cy May
lbbg 3cy June
lbbg 3cy July
lbbg 3cy August
lbbg 3cy September
lbbg 3cy October
lbbg 3cy November
lbbg 3cy December

lbbg sub-ad Jan
lbbg sub-ad Febr
lbbg sub-ad March
lbbg sub-ad April

lbbg sub-ad May
lbbg sub-ad June
lbbg sub-ad July
lbbg sub-ad Aug
lbbg sub-ad Sept
lbbg sub-ad Oct
lbbg sub-ad Nov
lbbg sub-ad Dec

lbbg adult January
lbbg adult February
lbbg adult March
lbbg adult April
lbbg adult May
lbbg adult June
lbbg adult July
lbbg adult August
lbbg adult September
lbbg adult October
lbbg adult November
lbbg adult December

LBBG 3cyAugust 29 2003, IJmuiden, the Netherlands.

Probably 3cy LBBG intermedius, arrested moult at P8. In all respects an advanced bird in upper-parts and primaries, showing a moult pattern reminiscent of nominate fuscus. After the ordinary moult to second generation primaries in the complete moult last summer, the inner primaries have been replaced again at the wintering grounds. This moult wave finished at P8, leaving P9-P10 second generation. Today, about half a year later, the tips of P5-P8 are slightly worn already. Those outer two primaries are about one year old now, bleached and slightly abraded at the tips. P10 has no mirror. The primaries moulted at the wintering grounds show small white tips, as can be seen commonly in third generation primaries. This summer, in the complete moult, this individual started primary moult again at P1. P1-P2 are fully grown now, P3 is growing and P4 is missing by late August.

All rectrices are white and slightly worn. Note that in the image P8 is folded beneath P10, which explains the white tip in the far wing.