Yellow-legged Gull- Geelpootmeeuw (L. michahellis): 1cy October

(last update: 08 december 2003)


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

YLG 2cy January
YLG 2cy February
YLG 2cy March
YLG 2cy April
YLG 2cy May
YLG 2cy June
YLG 2cy July
YLG 2cy August
YLG 2cy September
YLG 2cy October
YLG 2cy November
YLG 2cy December

YLG 3cy January
YLG 3cy February
YLG 3cy March
YLG 3cy April
YLG 3cy May
YLG 3cy June
YLG 3cy July
YLG 3cy August
YLG 3cy September
YLG 3cy October
YLG 3cy November
YLG 3cy December

YLG sub-ad Jan.
YLG sub-ad Feb.
YLG sub-ad March
YLG sub-ad April
YLG sub-ad May
YLG sub-ad June
YLG sub-ad July
YLG sub-ad Aug.
YLG sub-ad Sept.
YLG sub-ad Oct.
YLG sub-ad Nov.
YLG sub-ad Dec.

YLG adult January
YLG adult February
YLG adult March
YLG adult April
YLG adult May
YLG adult June
YLG adult July
YLG adult August
YLG adult September
YLG adult October
YLG adult November
YLG adult December

Photo 5779: YLG (L. michahellis) 1cy, October 18 2002, Westkapelle, the Netherlands. 

In the partial moult, almost no wing coverts have been replaced. All tertails, greater, median and lower lesser coverts are still juvenile. Only one lesser covert has been replaced for a second generation feather. All of the upper scapulars have been replaced, while in the lower scapulars, three rear scapulars are still juvenile and one is missing. The other lower scapulars have been replaced.

For michahellis, this is a very limited partial moult stage, but nevertheless, the inner tail-feathers have been shed. R4-R6 are still juvenile, R1 has been replaced on the left and the other three inner tail-feathers are missing. Michahellis, being advanced in partial moult compared to argentatus, may include tail-feathers in the partial moult in about 5% of the birds, as the table (140 kB) in the 1cy michahellis October Section shows.