Lesser Black-backed Gull (graellsii & intermedius)

(last update: 18-2-2011)

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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 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 Nov - Dec

L. f. graellsii M:J March 20 2006 & February 18 2007, Landfill VRSU de Pinto, Madrid, Spain. Picture: Delfín González.

PVC green M:J & BTO metal, ringed at Bristol, UK (51º27´N/02º35´W) in July 2005 by Peter Rock (pete.rock at blueyonder.co.uk).

below: M:J 2cy March 20 2006, Landfill VRSU de Pinto, Madrid, Spain.

Ringed 2cy graellsii, in 1st winter. Left wing: visible wing-coverts and tertials juvenile: tt1-5, gc1-11, mc1-10, llc1-9. In lc probably 2 feathers 2g (?) in the carpal edge. Rest of visible lc is juvenile (90% visible).

below:graellsii M:J June 29 2006, Monceau-sur-Sambre, Belgium. Picture: Marc Fasol.

Active complete moult, with many new wing-coverts now.

below:graellsii M:J 3cy February 18 2007, Landfill VRSU de Pinto, Madrid, Spain.

Grey saddle and grey 3rd gen median covert bar (replaced in partial autumn moult). Other coverts still 2nd gen barred feathers.