Coordinators:
Kjeld Tommy Pedersen (Denmark)
Chris Gibbins (Scotland)
Frank Majoor (Netherlands)
Mars Muusse (Netherlands)
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PDF's Larus canus
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Mew Gull canus adult, December 02 2016, Grou, the Netherlands.
Large mirrors on P9 and P10. Full band on P5. P7 with white tongue-tip. Black on P8 about 75% of the exposed feather's outerweb. Black on alula may suggest younger adult.
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Mew Gull Larus canus canus; heinei; kamtschatschensis; brachyrhynchus