Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull argenteus NLA 6168287 1CY-2CY, November 2012 -December 2013, Rotterdam Zuid, the Netherlands. Picture: Merijn Loeve.

Data pending, probably ringed as pullus in June 2012 at Maasvlakte by Hans Keijzer.

below: Herring Gull argenteus NLA 6168287 1CY, November 2012, Rotterdam Zuid, the Netherlands. Picture: Merijn Loeve.

Almost all scaps replaced, except for the rear lower scaps. Otherwise juvenile plumage.

below: Herring Gull argenteus NLA 6168287 2CY, November 2013, Rotterdam Zuid, the Netherlands. Picture: Merijn Loeve.

2nd gen flight feathers. Only few grey scaps.

below: Herring Gull argenteus NLA 6168287 2CY, December 2013, Rotterdam Zuid, the Netherlands. Picture: Merijn Loeve.

2nd gen flight feathers. Only few grey scaps.