Lesser Black-backed Gull- Kleine Mantelmeeuw (graellsii & intermedius)

(last update: 30 April 2014)

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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 Nov - Dec

lbbg 2cy Jan-Febr
lbbg 2cy Mar-April
lbbg 2cy May
lbbg 2cy June
lbbg 2cy July
lbbg 2cy August
lbbg 2cy September
lbbg 2cy October
lbbg 2cy Nov - Dec

lbbg 3cy Jan-April
lbbg 3cy May
lbbg 3cy June
lbbg 3cy July
lbbg 3cy August
lbbg 3cy September
lbbg 3cy October
lbbg 3cy Nov - Dec

lbbg sub-ad Jan-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 - Dec

lbbg ad January
lbbg adult February
lbbg adult Mar-April
lbbg adult May
lbbg adult June
lbbg adult July
lbbg ad August
lbbg ad September
lbbg ad October
lbbg ad Nov - Dec

4 images: LBBG 3cy C00June 18 2005, Amsterdam, the Netherlands. Pictures Ruud Altenburg. 

3cy graellsii, ringed at Europoort, Rotterdam (51.57N 04.06E) on June 26, 2003. This bird has a complete third generation tail and has replaced many wing coverts and all tertials. Age of secondaries and inner primaries is best judged in stretching and preening birds. C00 shows 25-50% third generation secondaries. In these pictures, some are visible protruding beyond the greater coverts. P1 is new (not visible in this picture), P2-3 are missing and P4-10 are of second generation.