Yellow-legged
Gull- Geelpootmeeuw (L. michahellis): 1cy November
(last update: 11 december 2003)
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1cy May
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1cy June
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1cy July
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3cy January
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sub-ad Jan.
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adult January
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YLG adult December
An individual which replaced an average amount of upper tertials and wing-coverts in the post-juvenile moult and shows the ordinary sequence of this partial moult. All scapulars have been replaced for second generation feathers, including the rear lower scapulars, the ones covering the scapular coverts. In the upper scapulars, a subsequent moult to third generation feathers has started (50-75%), with new third generation feathers grey with a black shaft streak or with the centre more buffish coloured.
The partial autumn moult included the three upper tertials, the four innermost greater coverts, most of the visible inner median coverts (12 feathers) and lower lesser coverts (10 feathers) and most of the inner lesser coverts. With a breeze lifting the lowest row of scapulars, the upper row and carpal edge of the lesser coverts are shown in the image, and, as could be expected, this region contains most of juvenile coverts.
The bill turns paler at the base, especially at the lower mandible.
