Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)


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

Lesser Black-backed Gull intermedius NOS 4100410 18CY-19CY, October 2003 & September 2004, Westkapelle, the Netherlands.

Adult intermedius, metal ringed NOS 4100410, from Scandinavia. Ringed on 12 July 1986 as pullus at STORE VENGELSHOLMEN, MANDAL, V-AGDER, NORWAY (57.58N 07.32E).

below: Lesser Black-backed Gull intermedius NOS 4100410 18CY, October 11 2003, Westkapelle, the Netherlands.

P5 is fully grown, P8-P10 are still old. P10 with a small mirror. Moult in the rectrices hasn't started yet, all feathers are still old. All secondaries are still old too. The bill is pale-yellow, with the red gonydeal spot confined to the lower mandible. There is some black on both upper and lower mandible. The iris is white-yellow, without speckling. The orbital ring is red.
Note the black centre on the lowest tertial (tt6) and P9 lacking a white mirror.

below: Lesser Black-backed Gull intermedius NOS 4100410 19CY, September 27 2004, Westkapelle, the Netherlands. Picture Pim Wolf.

Returning adult, now in 19cy. P6 over P5 and P8-P10 still old, so moult stage more or less similar to last year's.