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) JU216 1cy: October 18 2014, Ter Heijde, the Netherlands. Picture: Caroline Walta.

Ringed as pullus on July 03 2014 in Vest-Agder, Norway. Seen before on September 26 2014 at Katwijk, the Netherlands.

US: 1-25%, LS: 0%, TOT SCAPS: 1-25%. Tertials and coverts juvenile.