Herring Gull- Zilvermeeuw (argentatus & argenteus)

(last update: December 15, 2011 )

Herring Gull (argenteus) BLB H-904002 4CY, April 30 2016, Katwijk, the Netherlands.

Ringed in Belgium: ringed as pullus on July 26 2013 (late!) at Oostende, Belgium. First sighting here at Katwijk.

Complete moult not started: P1-P10 old 3rd gen. Much black in tail.