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Coordinator: Greg Neubauer Marcin Przymencki Albert de Jong Mars Muusse cachinnans plumages |
Larus cachinnans 1cy, September 12-24 2011, Sijazan, Azerbaijan. Picture: Chris Gibbins. Very extensive moult in coverts. Central GC and outer MC still juvenile. Upper tertials juvenile as well, but TT4 replaced. |