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

LBBG 2cy, October 05 2002, Dannes - Portel, NW France. 

A bird with third generation rectrices in autumn. This is most probably an intermedius LBBG, as the general appearance suggests. These rectrices were moulted very recently and the fringe is still very neat. R1 and R3 show a very small black spot near the top of the feathers.

Primary P8 is fully grown, P9 and P10 still have to grow a few inches. The complete moult is almost finished with only these outer primaries still growing, but the partial moult in the wing-coverts has started. Again, some of the median coverts are replaced again, while the older median coverts have the fringes slightly worn. As can be found in many LBBG's by earl October, the central greater coverts are very fresh.