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) 1cy J45A: December 14 2002, Westkapelle, the Netherlands (51.33 N, 03.25 E)

Ringed left blue J45A, hatched in Vest-Agder, S-Norway, last summer and ringed in July 2002.

CR-Code Dark blue ring with white code: J45A LBBW(J45A);RBM
Ringing Centre Stavanger Museum (Norway) Ring number CA20989
Species Great Black-backed Gull  Larus marinus
Sex Unknown Age Pullus Date 05.07 2002 (--:--) Accurate to the day
Place Udvaare, Lindesnes, Vest-Agder, Norway - 57°58'49"N 007°12'41"E
Condition Alive and probably healthy and released by a ringer
Circumstances Intentionally by man - other means (includes trapped, poisoned, ring number read in field etc.). All captures (=ringing data) and recaptures (caught and released).
Hunted, trapped, poisoned intentionally by man (NB: not shot).
Ringer(s) Lorentzen, Nils Helge -

Most upper scapulars are second generation (50-75%) and all lower scapulars are still juvenile (0%); total scapular score: 25-50% second generation. One lesser covert has been replaced as well.