Gulls in NW Europe(last update: September 25, 2011
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Herring Gull (argentatus) adult, December 02 2012, Katwijk, the Netherlands.Bird not ringed, no provenance on ssp. but head profile and late moult are indications. Broken sub-terminal band on P10, no mirror on P9, black spot on outerweb of P5. Ill defined 'bajonets' on P6-P7. |