Abstract
Bioacoustic variation recorded from different Adenomera populations in southern Brazil is presented and discussed. Recent recordings of advertisement calls from different localities in the states of Santa Catarina and southern Parana are compared with calls of closely related A. araucaria and A. marmorata from adjacent regions in the Atlantic Rain Forest domain. Acoustic data allow for the differentiation of at least five different species of Adenomera occurring in southern Brazil. None of these seem to be conspecific with nominal A. marmorata. Based on bioacoustic data, Adenomera nana (Muller, 1922) is revalidated in this study. In addition to A. nana and A. araucaria, whose distribution range is extended about 200 km to the north, three as yet undescribed species of Adenomera are involved. (© 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
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