Afterwards, I was able to read 7 ringed Herring gulls, of which 2 were Dutch: 1 from R.J. Buijs (a known bird to me), and 1 metal-ringed bird. Also 1 of the regular metal-ringed Jackdaws was present.
2nd cal female Marsh harrier (A. Anselin), tagged last year and now back in Belgium!
Herring gull Arnhem 6.426.549. It should be heading to it's breeding colony soon.
Herring gull Brussel H???723, I hope to read the full code on one of my next visits...
Herring gull yellow XB (R.J. Buijs), the last time I saw this one was in August last year, so good to see it's still alive and doing well.
Heing gull blue YM.AB (E. Stienen),
Herring gull blue YX.AB (E. Stienen), a new one!
Jackdaw Brussel E337306, a regular bid in Nieuwpoort.