The uncertain identity of Hyla x-signata Spix, 1824 has been a pervasive problem in the taxonomy of the genus Scinax. A species supposedly distributed from northeastern Brazil northwards to Colombia and Venezuela, described in a few lines without much information and with an accompanying figure, and its type specimen lost during World War II, combined to produce a curious situation. Twenty-one of the 39 species...
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Uma nova espécie de Brachycephalus é descrita de Sacra Família do Tinguá, município de Engenheiro Paulo de Frontin, Estado do Rio de Janeiro, na Floresta Atlântica. Brachycephalus margaritatus é caracterizado pelo tamanho grande (15,0 a 18.9 mm CRC); coloração alaranjada em vida e creme a creme acinzentado em líquido preservativo; presença de placas dorsais bem desenvolvidas com suas bordas laterais curvadas pa...
We examined external morphology and skeletal characters of Proceratophrys specimens with eyelid appendages to define species limits and distribution. Proceratophrys boiei occurs along the Atlantic Forest, from the State of Espírito Santo to the State of Santa Catarina, reaching transitional areas to the Cerrado, in the States of Minas Gerais and São Paulo, whose type-locality is Rio de Janeiro, not Bahia, as pr...
Studies on sexual selection in anuran amphibians show that some morphological and/or behavioral characteristics, such as size, vocalizations, and chorus tenure can influence male mating success. The goals of this study were (1) to describe the breeding behavior of males and females of Dendropsophus bipunctatus, (2) to assess male mating success, and (3) to verify the female preferences for specific acoustical p...
A new species of the genus Rhinella is described from Canavieiras, southern State of Bahia, in the Atlantic Rain Forest of Eastern Brazil. Rhinella hoogmoedi sp. nov. is characterized by the medium size for the genus (SVL 39.4-52.1 mm in males), snout rounded in dorsal view, with a vertical apical ridge which gives a nearly mucronate aspect, and nearly acute in profile, antorbital and supra-orbital crests devel...
Strategies and reproductive modes of anurans (Amphibia) in a permanent pond in Serra de Paranapiacaba, southeastern Brazil. This study describes the temporal patterns, behavioral strategies, reproductive modes, and fecundity of an anuran assemblage in a permanent pond in Serra de Paranapiacaba, municipality of Ribeirão Branco, south of São Paulo State (approximately 24º13'S; 48º46'W; ca. 800m above sea level). ...