Larus cachinnans(last update: |
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Coordinator: Greg Neubauer Marcin Przymencki Albert de Jong Mars Muusse cachinnans plumages |
Larus cachinnans 2CY PNSE August & December 2014, Kołobrzeg, N Poland & Terschelling, the Netherlands. Bird ringed yellow PNSE, ringed as pullus on May 24 2013 at Kozielno, Paczkow, S-SW Poland, (50°28' N, 16°58' E). Larus cachinnans 2CY PNSE December 03 2014, Terschelling, the Netherlands. Picture: Jacob Jan de Vries. Partial moult finished. Compare wing-covert moult to picture below. Most coverts still 2nd gen feathers, but in a partial autumn moult this bird replaced again the inner and central MC and inner Gc, now 3rd gen greyish feathers.
Larus cachinnans 2CY PNSE August 05 2014, Kołobrzeg, N Poland. Picture: Ryszard Rudzionek. Complete moult with outermost primaries still old, but P1-P6 already new 2nd gen. Still a moult gap in central GC, expsoing juvenile secondaries underneath. |