Support the extension
E. Roels ( www.xeno-canto.org )
As the name indicates, the Bluethroat is recognisable by its blue chest. There are two varieties: a white-starred and a red-starred one. In the middle of the blue chest one finds either a white or a red spot. The song resembles the Nightingale's.
http://en.wikipedia.org/wiki/Luscinia_svecica
http://eol.org/data_objects/19495009