The bluethroat has a blue bib edged by black, white and rust colored borders (Luscinia svecica), it is migratory insectivorous species breeding in wet and bushy wood. It is known in the Piora Valley for more than 30 years (Cereda und Posse, 2002).
The bluethroats hibernate in North Africa and arrives during the spring bird migration into the valleys in Switzerland, often moving north to Russia, Sweden, Norway and Finland. Nesting sites are also found in Czech Republic, Austria and in the Alps of Lombardy and Southern France, mostly at altitudes between 1700 and 2000 m a.s.l. in humid and undisturbed sites. In the Piora Valley Aldo Cereda up to six pairs are regularly recorded.