Lesser Black-backed Gull (graellsii & intermedius)
(last update: May 17 2015)
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 graellsii Y.CFB 2CY, May 29 - June 02 2017, Heemskerk, the Netherlands.
Data pending. Probably ringed as pullus in June 2016, at forteiland, IJmuiden, the Netherlands.
below: Lesser Black-backed Gull graellsii Y.CFB 2CY, June 02 2017, Heemskerk, the Netherlands.
Post juvenile mnoult in left wing: TT1-3 replaced, GC 2-3, MC (1?)2-8. Complete moult now started, muddying an estimation of the full extent of the post-juvenile moult.
below: Lesser Black-backed Gull graellsii Y.CFB 2CY, May 29 2017, Heemskerk, the Netherlands.
P1-P2 missing, secondaries and primaries juvenile. New tail-feathers R1. Several inner coverts replaced last winter in the post-juvenile moult.
