The British Herpetological Society

The Herpetological Journal is the Society's prestigious quarterly scientific journal. Articles are listed in Biological Abstracts, Current Awareness in Biological Sciences,Current Contents, Science Citation Index, and Zoological Record.

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pdf 07. Diet of Melanophryniscus devincenzii (Anura: Bufonidae) from Parque Municipal de Sertão, Rio Grande do Sul, Brazil

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Open Access

pp. 115-119
Authors: Bortolini, Schaiani Vanessa; Maneyro, Raúl; Coppes, Federico Achaval & Zanella, Noeli

Abstract: This study describes the diet of Melanophryniscus devincenzii based on the analysis of stomach contents of 46 specimens from the Parque Municipal de Sertão, south Brazil. We found 935 items belonging to 33 prey categories (excluding plant material). The most important prey categories were Acari, ants (subfamilies Myrmicinae and Ponerinae) and beetles (mainly Polyphaga). These taxonomic categories showed the highest percentage by volume (Acari: 3.94%, Myrmicinae: 16.32%, Ponerinae: 12.17%, undetermined Polyphaga: 13.83%) and the highest index of relative importance (5810.05; 1871.06; 756.47 and 784.57, respectively). The rarefaction curves indicated that females have richer diets than males. According to dietary composition, M. devincenzii may be considered a specialist species, as expected for an active forager.

Keywords: BRAZIL, TROPHIC, MELANOPHRYNISCUS DEVINCENZII, NICHE

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