Lesser Black-backed Gull (graellsii & intermedius)

(last update: 27-2-2011)

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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

LBBG graellsii 2cy R8RJ February 16 2007, Anza-Agadir, Morocco. Picture: Morten Helberg.

PVC black R8RJ and metal BTO ringed at Ribble colony in 2006 by David Sowter.
Ribble Estuary National Nature Reserve (53°42'N/02°55'W). In cooperation with Mike Gee/Dick Lambert, English Nature Wardens and SW Lancs Ringing Group, who have carried out some ringing for most years since the mid-1980's. The site within salt marsh near the mouth oft he River Ribble and is subject to periodic flooding by high tides, which influences the level of the breeding success in some years.

Scapulars replaced. Wing-coverts and tertials still juvenile, except inner gc and inner mc.