same bird, assymetric primary pattern

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Picture ID: 504
Upload: 24.06.2010
Photo date: 07 May 2010
Location: sfantu gheorghe, danube delta
Photographer © lou bertalan
Gallery: cachinnans adult alternate (january-june)
Species: larus cachinnans

note relative pale iris, slightly more orangey upper mandible above gonys, slitlike nostril, black shafts to p6-p9 and broad white trailing edge to upperwing.

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