Lesser Black-backed Gull (graellsii & intermedius)

(last update: 13-2-2011)

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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 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

L. f. graellsii L:N March 24 2008 & January 02 2010, Landfill VRSU de Pinto, Madrid, Spain. Picture: Delfín González.

PVC green L:N & BTO GN75476, ringed at Bristol, UK (51º27´N/02º35´W) on June 29 2005 by Peter Rock (pete.rock at blueyonder.co.uk).

below: L:N 4cy, March 24 2008, Landfill VRSU de Pinto, Madrid, Spain.

Ringed 4cy graellsii, in 3rd winter.

below:graellsii L:N 6cy, January 02 2010, Landfill VRSU de Pinto, Madrid, Spain.

Few features indicating immaturity like bill pattern, tertials centre and brown covert.