flightfight for a fish

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Picture ID: 153
Upload: 24.04.2009
Photo date: 03 May 2007
Location: danube delta
Photographer © daniel petrescu
Gallery: cachinnans 4-5cy january-june
Species: larus cachinnans

this gull is either a 5cy ("4th summer") or a very advanced 4cy. immaturity signs are the dark subterminal mark on bill (in may!), dark alula centers and the peculiar pattern of p10 which is better visible in the following shot.

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