Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) FT 3CY (3rd cycle), December 28 2009, Koksijde, Belgium. Picture: Peter Adriaens. 

Ringed as pullus by Roland-Jan Buijs, on June 12 2007, at Moerdijk, The Netherlands.

Adult-like primaries and secondaries.