p10 subterminal on outer web and p4 mark

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Picture ID: 989
Upload: 16.05.2011
Photo date: 07 May 2011
Location: crisan, danube delta.
Photographer © lou bertalan
Gallery: cachinnans adult alternate (january-june)
Species: larus cachinnans

a pretty common pattern: broken/incomplete p10 subterminal band, solid p5 mark and small p4 mark on outer web.

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