Great Black-backed Gull (Larus marinus)

(last update: July 12, 2015)

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

Great Black-backed Gull (Larus marinus) JZ4X 1cy: October 21 2004, Westkapelle, the Netherlands (51.33 N, 3.25 E). Picture Pim Wolf.

Ringed left blue JZ4X, hatched in southernmost Norway, June 27 2004 at Vest-Agder, Norway (58.05N 06.49E). Almost all upper scapulars (75-99%) and a few lower upper scapulars (1-25%) have been replaced but all the wing-coverts and tertials are still juvenile.

CR-Code Blue with white code JZ4X  Ringing Centre Oslo  Ringnumber  OA04159  Ringer   Nils Helge Lorentzen
Species  Great Black-backed Gull (Larus marinus)  Sex  X  Age      Pull  Date  27.06.2004
Place  Skytskjær, Farsund, Vest-Agder, NORWAY  Co-ordinates  58.05 N - 06.49 E

11.10.2004 Westkapelle, Walcheren, Zeeland, NETHERLANDS 51.32 N - 03.26 E     P Wolf
21.10.2004 Westkapelle, Walcheren, Zeeland, NETHERLANDS 51.32 N - 03.26 E P Wolf, S Lilipaly, T Muusse, M Muusse