Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) ZR 4CY (3rd cycle), March 26 2011, Koksijde, Belgium. Picture: Peter Adriaens. 

Ringed as pullus by Roland-Jan Buijs, in summer 2008 at Vlissingen, The Netherlands.

Adult-like primaries and secondaries. Mirrors on both P9 and P10.