Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) NLA 6.169.304 5CY, September 08 2015, Katwijk, the Netherlands.

Ringed as pullus on 11 July 2011 at Maasvlakte, the Netherlands by Hans Keijzer.

P6/P9.