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Coordinator: Greg Neubauer Marcin Przymencki Albert de Jong Mars Muusse cachinnans plumages |
Larus cachinnans adult, October 10 2009, Lakolk Strand, Rømø, Denmark. Picture: Rune Sø Neergaard. Active moult in primaries: P8 fully grown, P9-P10 growing. Note white head compared to Herrings. |