title: Song Repertoire and Origins of Crimean Population of Chiffchaff, Phylloscopus collybita (Sylviidae)
abstract: Abstract Song repertoire of geographically isolated Chiffchaff population that formed in Crimean mountains in 1990s is analyzed. There are 42 song elements in the Crimean Chiffchaff repertoire. A quarter of their song elements appear to be specific for this population because it is absent in neighboring European Chiffchaff populations from regions to the north ( Ph. c. abietinus subspecies) and west ( Ph. c. collybita subspecies). Comparison of song elements of Crimean Chiffchaffs with those of 
journal: Vestnik Zoologii