photo 4823: Yellow-legged Gull michahellis 2cy,
September 22 2002, Etaples / Boulogne-sur-Mer, NW France.
A 2cy michahellis which started
the partial moult in the wing-coverts. Tertials #1-2 are new, #3-6 are old
second generation. Greater coverts #1 is new and #2 is growing. The
complete median covert row is being replaced with two feathers growing.
Lower lesser coverts #1 and #5 and outwards are replaced. In the lesser
coverts about 5 feathers are replaced. 25% of the scapulars and mantle are
grey and another 25% has grey-based centres with a sub-terminal bar. Five
lower scapulars are missing.
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