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Diet of Rhinella schneideri (Werner, 1894) (Anura: Bufonidae) in the Cerrado, Central Brazil.
Renato de Carvalho Batista,Crizanto Brito De-Carvalho,Evellyn Borges de Freitas,Stephane da Cunha,Cássio de Carvalho Batista,Welington Araújo Coelho,Renato Gomes Faria +6 more
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TLDR
The diet of Rhinella schneideri is described based on the analysis of the stomach contents of 18 specimens from an area within the Cerrado, Central Brazil, finding 842 items belonging to 11 prey categories, including the plant material category.Abstract:
This study describes the diet of Rhinella schneideri based on the analysis of the stomach contents of 18 specimens from an area within the Cerrado, Central Brazil. We found 842 items belonging to 11 prey categories, including the plant material category. The most important prey categories for R. schneideri were Insect larvae, Coleopteran and Formicidae. Numerical and volumetric niche breadths of R. schneideri were 3.35 and 1.00, respectively. According to its diverse diet and abundance, R. schneideri may be considered a generalist and opportunist species.read more
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The Paraguayan Rhinella toad venom: Implications in the traditional medicine and proliferation of breast cancer cells.
Guillermo Schmeda-Hirschmann,Celeste Vega Gómez,Antonieta Rojas de Arias,Alberto Burgos-Edwards,Jorge Alfonso,Miriam Rolón,Francisco Brusquetti,Flavia Netto,Félix A. Urra,César Cárdenas +9 more
TL;DR: The findings suggest that care should be taken with the providers of the preparation and that the crude drug present a strong activity towards human breast cancer cell lines.
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Sexual and geographical divergence in head widths of invasive cane toads, Rhinella marina (Anura: Bufonidae), is driven by both rapid evolution and plasticity
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Diet of the toad Rhinella icterica (Anura: Bufonidae) from Atlantic Forest Highlands of southeastern Brazil
Leandro Talione Sabagh,Leandro Talione Sabagh,Ana Maria Paulino Telles de Carvalho-e-Silva,Carlos Frederico Duarte Rocha +3 more
TL;DR: It is concluded that R. icterica toads at the highlands of Itatiaia feeds on arthropods, mainly ants and coleopterans and that the high consumption of preys with relatively small and similar size as ants in the diet prevents an expected relationship among frog body or mouth size and prey volume and size.
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Anuros (amphibia, anura) do pleistoceno final-holoceno inicial de itapipoca, estado do ceará, brasil: taxonomia, paleoecologia e tafonomia
TL;DR: In this article, the authors reported the occurrence of fossil remains of anurans attributed to the taxa Rhinella jimi, R. schneideri and Anura indet, from tank deposits of Joao Cativo Paleontological Site (Late Pleistocene-early Holocene), municipality of Itapipoca, Ceara State.
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An UV-sensitive anuran species as an indicator of environmental quality of the Southern Atlantic Rainforest.
TL;DR: This work demonstrates that the deforestation process enhances the exposure of H. curupi embryos to solar UVB and UVA radiation, negatively affecting their embryonic development, inducing mortality and population decline.
References
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Using multivariate statistics
TL;DR: In this Section: 1. Multivariate Statistics: Why? and 2. A Guide to Statistical Techniques: Using the Book Research Questions and Associated Techniques.
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Measurement of diversity
TL;DR: In this article, the authors define and examine a measure of concentration in terms of population constants, and examine the relationship between the characteristic and the index of diversity when both are applied to a logarithmic distribution.
Book
Biology of Amphibians
William E. Duellman,Linda Trueb +1 more
TL;DR: The world of amphibians has a rich evolutionary history and the potential for the future of the amphibian species as mentioned in this paper, which includes reproductive strategies, reproductive cycles, reproductive mode, quantitative aspects, parental care, evolution of reproductive strategies courtship and mating - location of breeding site, secondary sexual characters, courtship behaviour, fertilization and oviposition, sexual selection, sexual evolution of mating systems vocalization - anuran communication system, mechanisms of sound production and reception, kinds of vocalizations and their functions, abiotic factors affecting vocalization, phylogenetic implications of vocalization eggs
Book
Herpetology: An Introductory Biology of Amphibians and Reptiles
TL;DR: The fourth edition of the textbook Herpetology covers the basic biology of amphibians and reptiles, with updates in nearly every conceptual area, and increased focus on conservation biology in herpetology while retaining solid content on organismal biology of reptiles and amphibians.