Lesser Black-backed Gull (graellsii & intermedius)

(last update: 27-12-2010)


LBBG rings

lbbg 1cy May
lbbg 1cy June
lbbg 1cy July
lbbg 1cy August
lbbg 1cy September
lbbg 1cy October
lbbg 1cy November
lbbg 1cy December

lbbg 2cy January
lbbg 2cy February
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
lbbg sub-ad 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 DKA.N 2009 & 2011, Westkapelle, the Netherlands.

Ringed adult graellsii "Dutch intergrade" by late October, ringed in Belgium. Ringed as breeding adult on May 16 2006, at Zeebrugge, Belgium. Age: 12th calendar year. Originally ringed as E640, pullus from Europoort Rotterdam, July 09 1995. Sex: female.

below: 15cy DKA.N October 30 2009, Westkapelle, the Netherlands.

No old primaries left; P7 fully grown.

below: 16cy DKA.N September 20 2010, Westkapelle, the Netherlands. Picture Maarten van Kleinwee.

Adult Lesser Black-backed Gull, moulting to winter plumage (prebasic moult). The majority of the mantle, scapulars, median and lower lesser coverts have been replaced by new feathers, contrasting with the old feathers which have a brown hue. Most of the middle and outer greater coverts have been dropped, thereby exposing the underlying secondaries. P5 is growing, P6 has been dropped. The head shows only light streaking.

below: 17cy DKA.N September 21 2011, Westkapelle, the Netherlands. Picture Maarten van Kleinwee.

Adult Lesser Black-backed Gull moulting to winter (basic) plumage. The outer primaries P8, P9 and P10 still have to be shed. Light winter striping can be seen on the head.