Herring Gull (argentatus & argenteus)(last update: February 11, 2013) |
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Herring Gull (argentatus) adult, December 17 2015, Scheveningen, the Netherlands.No ring, no provenance on origin. In all respects Scandinavian nominate argentatus. P8 fully grown, P9-P10 growing. P9 with thayeri pattern. |