Abstract
Acoustic communication plays a key role in the life of birds and it is useful in phylogenetic and evolutionary investigations. This study described the structure and function of Polioptila dumicola´s call repertoire in riparian environments from the Mid-eastern of Argentina. Male calls (N=644) were recorded in the field during the pairs nuptial interactions; nests exploration and previously capture of male. Then, specific function was assigned to different calls using standardized methods of acoustic classification and behavioral observations. Twelve different types of calls were classified. Alert and call to female were the most frequent calls and they represented 12.04% and 10.24% of recordings. Anguish call was also recorded in this species. These are the first results regarding to the calls and repertoire of P. dumicola. These data could be used for new studies on environmental selection pressures and for conservation of this species and its habitats.
Key words
Alarm; calls; contact; behavior; Polioptila dumicola
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