Gull Research Organisation

Gulls in NW Europe

(last update: September 25, 2011 )

Herring Gull (argenteus) NLA 5424838 adult, November 2009, December 2010, July 2011, July 2016 & April 2017, IJmuiden, the Netherlands.

Ringed as adult (4+cy) on May 04 2009 at Hekslootpolder, The Netherlands, near IJmuiden. Bird ringed in the Netherlands, after taken into bird hospital. Ringed and released on May 04 2009, as adult bird (>4CY). Recorded a dozen times since, all at IJmuiden except for one record from (nearby) Amsterdam.

...5424838	08-04-2017	Kotterkade 14, 1976 BX IJmuiden, Nederland
...5424838	18-07-2016	Loggerstraat 37, 1976 CX IJmuiden, Nederland
...5424838	29-05-2014	Halkade, IJmuiden, Velsen, Noord-Holland, Nederland
...5424838	09-06-2013	Sluisplein 80, IJmuiden, Noord-Holland, NL
...5424838	29-09-2012	Strandweg 4, Petten, Noord-Holland, NL
...5424838	10-07-2011	Sluisplein 62, IJmuiden, Noord-Holland, NL
...5424838	20-02-2011	Sluisplein 62, IJmuiden, Noord-Holland, NL
...5424838	24-12-2010	Derde Kostverlorenkade 40, Overtoomse Sluis, Amsterdam, Overtoomse Sluis, Noord-Holland, NL
...5424838	23-12-2010	Trawlerkade 4, IJmuiden, Noord-Holland, NL
...5424838	04-05-2009	Veenbergstraat 1, Haarlem, Noord-Holland, NL

below: NLA 5424838 November 19 2009, IJmuiden, the Netherlands.

Much black on the bill. Bill and head streaking suggest sub-adult, but primary coverts seem to be adult-like grey (although not completely seen).

below: NLA 5424838 December 23 2010, IJmuiden, the Netherlands.

Much more adult-like now.

below: NLA 5424838 July 10 2011, IJmuiden, the Netherlands. Maarten van Kleinwee.

Herring Gull (argenteus) NLA 5424838 11+CY, July 18 2016, IJmuiden, the Netherlands.

Complete moult: P1-P2 fully grown, P3 missing, P4-P10 old.