Gulls in NW Europe

(last update: September 25, 2011 )

Herring Gull (argenteus) UA9.T March 2010 & May - December 2015, IJmuiden, the Netherlands.

Bird ringed by North Thames Gull Group near London.

below: Herring Gull (argenteus) UA9.T adult, December 03 2015, IJmuiden, the Netherlands.

P10 fully grown.

below: Herring Gull (argenteus) UA9.T adult, October 27 2015, IJmuiden, the Netherlands.

P8 fully grown.

below: Herring Gull (argenteus) UA9.T adult, May 27 2015, IJmuiden, the Netherlands.

Probably rooftop breeding bird in IJmuiden. P1 shed.

below: Herring Gull (argenteus) UA9.T sub-adult, March 24 2010, IJmuiden, the Netherlands.

Note speckling and black on bill.