IJmuiden Project - Fred Cottaar, José Verbeek, Maarten van Kleinwee & Mars Muusse

(last update: January 01, 2023)

Lesser Black-backed Gull (graellsii) Y.AHJ adult, 2009-2013, France & the Netherlands. Pictures: Ruud Altenburg, Maarten van Kleinwee & Jean-Michel Sauvage.

Ringed as breeding adult in season 2009 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.

below: Lesser Black-backed Gull (graellsii) Y.AHJ >8CY, September 22 2013, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.

below: Lesser Black-backed Gull (graellsii) Y.AHJ >6CY, December 20 2011, Boulogne-surMer, NW France. Picture: Jean-Michel Sauvage.

Still in NW Europe.

below: Lesser Black-backed Gull (graellsii) Y.AHJ >5CY, November 04 2010, Boulogne-surMer, NW France. Picture: Jean-Michel Sauvage.

Still in NW Europe. P7/-.

below: Lesser Black-backed Gull (graellsii) Y.AHJ >5CY, September 20 2010, Westkapelle, the Netherlands. Picture: Maarten van Kleinwee.

Adult Lesser Black-backed Gull, moulting to winter plumage (prebasic moult). P1 to P5 are new and fully grown, P6 is almost fully grown, P7 has been dropped. P10 shows a medium mirror, not extending to the tip.
The small white tips of P8 and P9 are worn. The head and neck show distinct "winter" marking. PMS=30 (P1=5, P2=5, P3=5, P4=5, P5=5, P6=4, P7=1, P8=0, P9=0, P10=0).

below: Lesser Black-backed Gull (graellsii) Y.AHJ >4CY, October 09 2009, IJmuiden, the Netherlands. Picture: Ruud Altenburg.

P6 fully grown; P8-P10 old. Missing central gc.

Life history until December 2011:

Recoveries:
2009 5 11 IJmuiden, Forteiland NL 52,464,57 F & K Cottaar/Verbeek
2009 6 15 IJmuiden, Forteiland NL 52,464,57 F.Cottaar
2009 7 23 IJmuiden, IJmondhaven NL 52,464,57 F.Cottaar
2009 7 26 IJmuiden, IJmondhaven NL 52,464,57 José & Kees Verbeek
2009 9 25 IJmuiden, strand NL 52,444,55 Roy Slaterus
2009 10 8 Noordwijk, strand paal 71-72 NL 52,334,50 H.J.S.Verkade
2009 10 9 IJmuiden, strand NL 52,444,55 M.Muusse
2009 10 9 IJmuiden, strand NL 52,444,55 B Knott
2010 1 6 Outreau"bassin de la liane", Pas-de-Calais F 50,701,58 jm.Sauvage
2010 1 17 Outreau"bassin de la liane", Pas-de-Calais F 50,701,58 jm.Sauvage
2010 4 3 IJmuiden, strand NL
2010 4 17 IJmuiden, Forteiland NL
2010 4 19 IJmuiden, Forteiland NL
2010 4 19 IJmuiden, Forteiland NL
2010 4 26 IJmuiden, Forteiland NL
2010 4 26 IJmuiden, Forteiland NL
2010 5 14 IJmuiden, Forteiland NL
2010 9 1 Zeebrugge B
2010 9 17 Brouwersdam NL
2010 9 20 Westkapelle NL
2010 9 20 Westkapelle, zeedijk NL
2010 9 21 Westkapelle, zeedijk NL
2010 9 21 Westkapelle, zeedijk NL
2010 11 04 Boulogne sur mer,P-D-C ,F 50.44 1.35 jm.Sauvage
2011 01 15 Cap-gris-nez,PDC,FR jm.Sauvage
2011 3 18 IJmuiden, ForteilandNL52,464,57F.Cottaar
2011 3 20 IJmuiden, IJmondhavenNL52,464,57F.Cottaar
2011 9 15 IJmuiden, strandNL52,444,55R.Hoeben
2011 12 10 Outreau "bassin de la liane", Pas-de CalaisF J M Sauvage
2011 12 18 Outreau "bassin de la liane", Pas-de CalaisF J M Sauvage
2011 12 20 Outreau "bassin de la liane", Pas-de CalaisF J M Sauvage