Lesser Black-backed Gull (graellsii & intermedius)

(last update: 8-2-2011)

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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 1.K8 November 15 2009 & January 06 2010, Landfill VRSU de Colmenar Viejo, Madrid, Spain. Picture: Delfín González.

Ringed 2cy graellsii in 1st winter, ringed in the U.K. PVC: black 1.K8 with metal ring Jersey E 16009, ringed at Burhou, Alderney ( 49 43 49N 02 15 09W ) at the Channel Islands on July 10 2009 as pullus by Paul Veron (E-Mail: pkv at cwgsy.net).

L. f. graellsii 1K8 November 15 2009, Landfill VRSU de Colmenar Viejo, Madrid, Spain. Picture: Delfín González.

Juvenile wing-coverts and tertials, but 2nd gen scapulars (about 50%).

L. f. graellsii 1K8 January 06 2010, Landfill VRSU de Colmenar Viejo, Madrid, Spain. Picture: Delfín González.

Scapular moult score increased to about 90%.