Great Black-backed Gull (Larus marinus)

(last update: July 12, 2015)
Coordinators:
Jean-Michel Sauvage (France)
Morten Helberg (Norway)
Nils Helge Lorentzen (Norway)
Mars Muusse (Netherlands)

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Great Black-backed Gull (Larus marinus) JYL02 3cy, November 04 2015, Boulogne-sur-Mer, France. Picture: Jean-Michel Sauvage.

Ring info: ringed as pullus on July 05 2013 at Knogen, Læsø, Nordjylland, Denmark (57°16'49"N 011°10'34"E). by Pedersen, KJ & Sandøy, J.

Recoveries:
05/07/2013 à Knogen, Læsø, Nordjylland, Denmark 57°16'49"N 011°10'34"EPedersen,KJ Sandøy,J-
07/09/2013 - Hirtshals Havn, Husmorstranden, Nordjylland, Denmark - 57°35'43"N 009°57'26"E
13/06/2015 - IJmondhaven, IJmuiden, Noord-Holland, The Netherlands - 52°27'37"N 004°34'12"E
04/11/2015 - Boulogne-sur-Mer "bassin Loubet", Pas-de-Calais, France - 50°43'34"N 001°35'04"E- Sauvage.JM

P9 fully grown. P10 almost at its final length. PMS=49. Large mirror on P10, merged with white tip. Adult-like secondaries.