photo 7315:
Yellow-legged Gull michahellis 2cy,
October
22 2001, Westkapelle, the Netherlands.
This individual shows the average moult
timing in 2cy michahellis by the end of October. After the complete
moult in summer, a partial moult was started from late August onwards.
Most obvious replacements took place in the upper tertials and inner
wing-coverts. Recently moulted feathers show a greyish-brown base and
fringe combined with ill-defined dark brown patterns. Note the rather
dense variegated barring on the old outer greater coverts and the delicate
head streaking on this individual.
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