Maarten, that green rings read XTAV and it's not ringed by Kees (it's also ringed in 2010 of course). Maybe it's German? Ronald used an Xxxx series for Herring in E Germany, maybe he knows more.
Kees wasn't aware of the Germain programme. 'My' bird is not from the colony of Texel and is possibly a Germain bird. Thanks to you I restored an error.