Support the extension
D.M. Brinkhuizen ( www.xeno-canto.org )
The Marmora's Warbler breeds on Corsica and Sardinia. In winter it stays in Africa. It's a dark-gray warbler, that often has its tail pointed upwards.
http://en.wikipedia.org/wiki/Sylvia_sarda
http://eol.org/pages/1052382/maps