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) 3CY, October 27 2015, Scheveningen, the Netherlands.

P8 fully grown. P9 growing with small mirror; P10 growing with full subterminal band.