Gulls in NW Europe

(last update: September 25, 2011 )

HG 1cy July
HG 1cy August
HG 1cy September
HG 1cy October
HG 1cy November
HG 1cy December

HG 2cy January
HG 2cy February
HG 2cy March
HG 2cy April
HG 2cy May
HG 2cy June
HG 2cy July
HG 2cy August
HG 2cy September
HG 2cy October
HG 2cy November
HG 2cy December

HG 3cy January
HG 3cy February
HG 3cy March
HG 3cy April
HG 3cy May
HG 3cy June
HG 3cy July
HG 3cy August
HG 3cy September
HG 3cy October
HG 3cy November
HG 3cy December

HG sub-ad Jan.
HG sub-ad Feb.
HG sub-ad March
HG sub-ad April
HG sub-ad May
HG sub-ad June
HG sub-ad July
HG sub-ad Aug.
HG sub-ad Sept.
HG sub-ad Oct.
HG sub-ad Nov.
HG sub-ad Dec.

HG adult January
HG adult February
HG adult March
HG adult April
HG adult May
HG adult June
HG adult July
HG adult August
HG adult September
HG adult October
HG adult November
HG adult December

Herring Gull (argenteus)6.166.494 5CY-6CY, July 2014 & August 2015, IJmuiden, the Netherlands.

Ringed as pullus on June 27 2010 at Europoort Rotterdam, the Netherlands (51.952N, 4.135E).

Herring Gull (argenteus)6.166.494 5CY, July 30 2014, IJmuiden, the Netherlands.

5CY bird, note last vestiges of immatureity in brown greater & lesser primary coverts. Complete moult: P3/P5.

below: Herring Gull (argenteus) NLA 6.166.494 6CY, August 18 2015, IJmuiden, the Netherlands (52.27N 04.33E). 

Bird in complete moult: P7-P10 still old.