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 | Photo
      8523: Yellow-legged Gull michahellis 2cy, January 03 2002,
      Boulogne-sur-Mer, NW France (50.44N,1.35E). An example of a strong and powerful male michahellis.
      The head shows fine streaking and the base of the bill has turned slightly
      paler, pink and the tip of the bill turns white. The tail and all the
      tertials are completely juvenile. Moult in the wing-coverts and in the
      scapulars is in progress: the recently moulted rear lower scapulars show
      very neat and fresh broad white fringes. The lowest row of upper scapulars
      was moulted some time ago and the buff based centres are bleached and
      appears white now. But the lower scapulars were acquired in a later stage
      and those feathers still have the centres buff-grey. Several wing-coverts were moulted late summer - early autumn (as can be
      seen in the 1cy September Section
      and October Section). Those
      early moulted coverts have the fringes worn away by January; see e.g. the
      inner 6 median coverts. Greater covert #2 is an example of a slightly
      later acquired feather with at least the white fringe on the tip still
      present. One central median covert is the last moulted feather and this
      covert clearly shows the neat white fringe and the buff-brown centre.
      Moult is still in progress with the innermost greater covert missing and a
      few inner lesser coverts shed.
 
 
 
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