Great Black-backed Gull (Larus marinus)

(last update: October 12, 2011)

Coordinators:
Jean-Michel Sauvage (France)
Morten Helberg (Norway)
Nils Helge Lorentzen (Norway)
Mars Muusse (Netherlands)

Great Black-backed Gull 4cy December

 

2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) JE003 4cy: December 15 2012, IJmuiden, The Netherlands. From Denmark. Extremely late moulting bird, P10 still old in both wings.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (L. marinus) 4cy: December 15 2011, Scheveningen, The Netherlands.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) sub-adult: December 28 2010, Hollandsche IJssel, The Netherlands. Picture: Patrick Heuvelman.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) sub-adult: December 27 2008, IJmuiden, The Netherlands. Picture: Ton van Wijk.
2121gbbgad.jpg (50050 bytes)Great Black-backed Gull (Larus marinus) sub-adult: December 22 2008, Wieringen, The Netherlands. Picture: Peter Boltjes.