Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) MTAB 4CY (3rd cycle), May 01 2012, Koksijde, Belgium. Picture: Peter Adriaens.

Ringed as pullus in June 2009 at Zeebrugge, West-Vlaanderen, Belgium.

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