Herring Gull (argentatus & argenteus)(last update: February 11, 2013) |
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Herring Gull (argenteus) 5.1 2CY, August 16-20 2015, IJmuiden, the Netherlands.Bird ringed as pullus in 2014 in the Netherlands. P8/-. P9 halfway. PMS=44. New tail almost completed, small block of old juvenile central secs still present. |