Larus cachinnans

(last update: February 16, 2013)

Coordinator:
Greg Neubauer
Marcin Przymencki
Albert de Jong
Mars Muusse

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cachinnans plumages

Larus cachinnans sub-adult, 01 December 2011, Boulogne-sur-Mer, NW France, Picture: Jean-Michel Sauvage.

Much black on bill indicate immaturity.