title: Song Repertoire and Comparative Analysis of Song Structure of Chaffinch, Fringilla Coelebs (Fringillidae), from the Northeast of Balkan Region
abstract: Abstract The repertoire of chaffinches from the northeast of Balkan region consists of 39 song types, 9 of them are most widespread. Comparative analysis of the chaffinch song types from the Balkans and from Caucasus, East Carpathians, Crimean Mountains, plain regions of Ukraine was done. It revealed no Balkan song types in other regions. Chaffinch songs from Balkan are similar by structure to songs from the Caucasus and East Carpathians and quite different from songs from the Crimea and Ukraini
journal: Vestnik Zoologii