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Picture ID: 111
Upload: 27.03.2009
Photo date: 20 June 2006
Location: danube delta
Photographer © daniel petrescu
Gallery: cachinnans 3cy january-june
Species: larus cachinnans

caspian heads often looks flat and angular in frontviews like this.
i'm not entirely sure this is a 3cy. subterminal mark on bill is very small, on the other hand: a june 4cy with so many retained immature LC? not very likely.
and this one from the beginning of may has a similarly adult type bill: http://lou.bertalan.de/gulls/m_phi.php?bid=516&grp=cachinnans%203cy%20january-june

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