Lesser Black-backed Gull intermedius J357U 1CY, September 18 2017, Boulogne-sur-Mer, France. Picture: Jean-Michel Sauvage.
Ringed 1cy intermedius, ringed as pullus on July 11 2017 at RAUNA, Farsund, Vest-Agder, Norway (58°03'33"N 006°40'10"E).
Observations:
24/07/2017 - Rauna, Farsund, Vest-Agder, Norway - 58°03'33"N 006°40'10"E
18/09/2017 - Boulogne-sur-Mer "bassin Loubet", Pas-de-Calais, France
Still completely juvenile plumage.
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