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 CCE October 2008, January & December 2009, Holland & Spain.

Ringed 3cy graellsii, ringed in the U.K. Ringed by The Severn Estuary Gull Group, blue CCE and metal FP86866. Ringed on October 20 2007 as 1cy bird, at SGD Gloucester landfill site, near Hempsted, Gloucestershire 51.51N 02.16W.

below: CCE October 23 2008, Utrecht, The Netherlands. Picture: Herman Bouman.

2cy / second winter in October.

below: CCE January 11 2009, Landfill VRSU de Colmenar Viejo, Madrid, Spain. Picture: Delfín González.

3cy now. Scapular region mix of grey and brown feathers. Several wing-coverts and tertials more adult-like grey, replaced in the partial autumn moult (e.g. upper tertials, inner gc). Second winter in January, with 2nd gen-like wing-covert panel. In third winter, much more mature, with immature markings obvious on bill and very extensive mottling on the head and neck.

below: CCE December 20 2009, Landfill VRSU de Colmenar Viejo, Madrid, Spain. Picture: Delfín González.

Still in 3cy, but now 3rd winter. Advanced grey in the wing-coverts.