Bioacoustic differentiation of calls in the chiffchaff complex.

ABSTRACT: The chiffchaff complex is a group of common forest bird species, notorious for the number of cryptic taxa recently discovered, being a great example of speciation in action. Vocalizations have been crucial to unveil its hidden diversity. In this study we quantitatively analyze the acoustic characteristics of their calls with permutational analysis of variance, canonical variate analysis and a self-organizing map, to determine their variability and differences. We related these differences with the geographical and genetic distances between taxonomic groups, by means of Pearson correlations. We used recordings from Xeno-canto, an open database of bird vocalizations. Inter-taxa distances based on call traits were broadly consistent with geographic distances but not correlated with genetic di

SUBMITTER: Calvino-Cancela M 

PROVIDER: S-EPMC9632459 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature