Larus cachinnans

(last update: February 16, 2013)

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

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cachinnans plumages

Larus cachinnans hybrid? 2CY 14P2 December 13 2007, Łubna landfill, Poland. Picture: Ruud Altenburg.

Green ring from Poland. Data pending, probably ringed as pullus green 14P2 on May 20 2006 in the mixed colony of Wisla reservoir - Wloclawek, Poland (52°39'N, 19°08'E). No details on parentage.

This bird is probable hybrid Caspian Gull L cachinnans x Herring Gull L argentatus, and very Herring-like with its pale iris in 2W plumage and no mirror on P10. Parallel bill with weak gonys angle more like cachinnans.