These include departures to France???s Vercors and La Brenne regions in search of butterflies, dragonflies and other wildlife.Should you wish to join any of the holidays below by rail, they all have space available, and are guaranteed to operate. (Costs include return rail from the UK.)France - The VercorsDate: Sun 12th - Sun 19th MayCost: ??1,295France - La BrenneDate: Sat 25th May - Sat 1st JunC