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)

Great Black-backed Gull (Larus marinus), September 17 2001, Bergen op Zoom, the Netherlands (51.32 N - 04.26).

Most of the coverts and scapulars are blackish now. Primary p7 is fully grown.