Seen around Geneva, already:-
Little Bunting, Little Crake, Savi's Warbler, (Aquatic Warbler, not by me!), Penduline Tit, Reed Warbler, Cuckoo, Willow Warbler, Lesser Whitethroat, plus many migrating waders (Stilt, Ruff, Wood Sandpiper, Little Ringed Plover, etc).
Mike