Larus cachinnans

(last update: February 16, 2013)

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

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cachinnans plumages

Larus cachinnans 4CY, May 30 2011, Aktogay, East-Kazakhstan Province (46,57N 79,40E). Picture: Gabor Papp.

Cachinnans with obvious patterns on greater primary coverts. Black on P3-P10, and on some secondary centres. P1 missing, P2-P10 old.