Herring Gull- Zilvermeeuw (argentatus & argenteus)
(last update: December 15, 2011
Coordinators:
Jean-Michel Sauvage (France)
Mars Muusse (the Netherlands)
Herring Gull plumages:
hg 1cy July
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hg sub-ad January
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Herring Gull (argenteus) BLB H-164289 adult, August 29 2014, Boulogne-sur-Mer, France. Picture: J-M Sauvage.
Ringed in Belgium, data pending. P8-P10 still old.
