Hi Graham,
Birds don't know any borders and Brussels Birding is "A forum for birders in Brussels and surroundings", so yes, this is quite a right place to mention this!
Martine
Pour les moins polyglotes, Graham a vu 20 Tadornes de Belon/Bergeenden, 50 Canards pilet/Pijlstaarten, de nombreux Sarcelles d'hiver/talrijke Wintertalingen, Canards chipeaux/: Krakeenden, Fuligules milouins, Tafeleenden.