photo 5570: Yellow-legged Gull michahellis 2cy,
July 27 2001, Le Portel, NW France.
P10 is still juvenile, while p7 is fully
grown. This bird shows fresh 2nd generation-like tertials. The
median coverts were replaced recently, #8 is still growing. The central
greater coverts are missing and growing. Note the many grey adult-like
feathers in the scapulars.
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