Larus cachinnans

(last update: February 16, 2013)

Coordinator:
Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)

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cachinnans plumages

Larus cachinnans 2CY-4CY PATC December 2010 & February 2012, Lake of Constance - Rorschach, Switzerland. Picture: Stephan Trösch & Verena Döbelin.

Yellow PATC, data pending; probably ringed as pullus on May 21 2009, at Jankowice Babice Malopolskie Poland (50,03333 19,46667).

below: cachinnans 4CY PATC February 2012, Lake of Constance - Rorschach, Switzerland. Picture: Stephan Trösch.

Dark markings on tertials and coverts.

below: cachinnans 2CY PATC December 2010, Lake of Constance - Rorschach, Switzerland. Picture: Verena Döbelin.

Inner coverts and upper tertials replaced in partial autumn moult.