www.gull-research.org

We finally managed to catch some gulls on Zagreb rubbish tip
We ringed 143 birds last weekend including few nice adult Caspians..(more pix on my blog)
For one of the 1w birds I would like to hear your opinion.
Is it arg?

Not much wrong for argentatus. Proximal spotting / lining on rectrices and limited moult in lower scaps.

Thanx, Mars!

I expected paler inner primaries...

L

Inner primary pattern slightly variable in Herring... http://www.pbase.com/slisch/2_cy

JanJ