Yellow-legged
Gull- Geelpootmeeuw (L. michahellis): 2cy February
(last update: 08 december 2003)
YLG
1cy May
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1cy June
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1cy July
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2cy January
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3cy January
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YLG 3cy November
YLG 3cy December
YLG
sub-ad Jan.
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adult January
YLG adult February
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YLG adult December
A 2cy michahellis which has
moulted the head, neck, breast, flanks and belly to second generation. In
the left wing, tertial #1 has been moulted to second generation.
Furthermore, in the left wing, greater coverts #2, median coverts #10-11,
lower lesser coverts #4-6 and #12 and two lesser coverts are second
generation as well, with the last moulted feathers showing a different
pattern and a greyish base.
The other wing-coverts are still juvenile. In the right wing, moult is
less advanced, with all the tertials and all the greater coverts still
juvenile. The left-wing moult stage in the median, lower lesser and lesser
coverts is mirrored in the right wing.
The lowest row of lower scapulars are fresh second generation feathers with a grey base on
the last replaced feathers. Seven lower upper scapulars have been replaced
recently for third generation feathers. Those feathers show a black shaft
and a grey base. In 2cy michahellis it's common to find birds
continuing to replace upper scapulars to third generation feathers while
the rear lowest scapulars have only very recently been replaced for second
generation feathers. By this stage, this individual shows first generation
feathers (remiges, rectrices, most wing-coverts), second generation
feathers (the head, body, most scapulars and some wing-coverts) and at the
same time third generation feathers (a few lower upper scapulars).
The head shows a dark patch around the eye which extends on the nape and a
boldly streaked neck-collar. The bill is all dark. Note that so-called
"first winter" michahellis doesn't necessarily have to
show a peculiar obvious white head.
In the background, three Herring Gulls (all argenteus).
