Lesser Black-backed Gull intermedius V9PN September 23 2010, Westkapelle, the Netherlands.
Ringed sub-adult intermedius, ringed in Denmark. Colonies in Denmark hold birds with broad spectrum of upper-part grey tone, according to Barth's findings in the 60's and 70's: HERE & HERE.
P5 fully grown, P6 longer than P4. P8-P10 old.
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