Yellow-legged Gull - Larus michahellis

(last update: October 08 2013)

Delfín González
Gabriel Martín
Antonio Gutierrez
Amir Ben Dov
Mars Muusse

Yellow-legged Gull michahellis 2CY-3CY HES M015619 September 2006 & 2007, Portalban, Switzerland. Picture: Stephane Aubry.

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Ringed as pullus on May 19 2005 at Fanel, Switzerland.

below: michahellis 2CY HES M015619 September 21 2006, Portalban, Switzerland. Picture: Stephane Aubry.

P1-P10 new. Complete moult in coverts and tertials finished, gap in central GC closed. It is commonly seen that, while the outer primaries are replaced in the complete moult, a subsequent "partial autumn moult" will replace feathers in upper tertails and several inner wing-coverts in late summer and early autumn, which explains the fresher grey adult-like coverts seen in 2nd winter birds.

Active partial moult in this bird, note replaced MC, again much 2nd gen like in pattern.

below: michahellis 3CY HES M015619 September 10 2007, Portalban, Switzerland. Picture: Stephane Aubry.

Pinkish yellow legs and complete moult (in the summer months) almost finished. Moult: P8/-. Rectrices are now 3rd gen.