@article {53439, title = {The advertisement call of the treefrog Nyctimantis rugiceps Boulenger, 1882 (Anura: Hylidae), with notes on its natural history and toxicity}, journal = {Zootaxa}, volume = {4532}, year = {2018}, month = {Jul-12-2019}, pages = {441}, abstract = {

Nyctimantis rugiceps Boulenger, 1882 (Fig. 1A) is a Neotropical treefrog (Duellman \& Trueb 1976; Faivovich et al. 2005) known only from disjunct localities in Amazonian Colombia, Ecuador, and Peru (P\érez-Villota et al. 2009). This species has the skin of the skull co-ossified and reproduces\—including calling behavior, egg deposition and tadpole development\—in water-filled tree or bamboo cavities (Duellman \& Trueb 1976; Duellman 1978). Given its secretive behavior, this is a poorly known species and, as noted by Duellman (1978: 169), \“the major clue to the life history of Nyctimantis is the calling behavior of the males\”. Unfortunately, the only quantitative description of the advertisement call of N. rugiceps is a brief passage in Duellman (1978) based on four specimens from Santa Cecilia, Ecuador, where important variables are missing (e.g., call duration). More importantly, graphs illustrating the waveform and spectrogram are missing. Considering these limitations and the importance of advertisement calls to the study of anurans (K\öhler et al. 2017), we provide a quantitative description using a call recording obtained in Leticia, Amazonas, Colombia.

}, keywords = {Amphibia, Anura, Hylidae}, issn = {1175-5326}, doi = {10.11646/zootaxa.4532.310.11646/zootaxa.4532.3.8}, url = {https://biotaxa.org/Zootaxa/issue/view/zootaxa.4532.3https://biotaxa.org/Zootaxa/article/view/zootaxa.4532.3.8}, author = {Camila Camargo De Souza and Mauricio Rivera-Correa and Castroviejo-Fisher, Santiago} } @article {53417, title = {Reproduction and metamorphosis in the Myristica Swamp tree frog, Mercurana myristicapalustris (Anura: Rhacophoridae)}, journal = {PeerJ}, volume = {6}, year = {2018}, month = {Jan-01-2018}, pages = {e5934}, abstract = {

The reproductive biology of the Myristica Swamp tree frog (Mercurana myristicapalus- tris), a monotypic rhacophorid frog endemic to the foothills of the Western Ghats mountains of India, has remained unknown since the description of the genus and species. We monitored individuals from parental generation amplexus to the comple- tion of offspring generation tadpole metamorphosis. Surprisingly, our observations revealed that this species exhibits many previously unknown characteristics, including the first ever record of the female, and a diverse call repertoire, consisting of five different call types (the functions of which remain incompletely known). We were also able to determine that reproductive activity peaked during the late pre-monsoon season, that males engaged in intraspecific aggressive encounters to occupy and to defend desirable territories, and that oviposition took place in terrestrial nests made by females. Embryonic development in the unattended nest was followed by tadpole development, which concluded within 40 days. The specific breeding mode employed by Mercurana, which restricts its range to the endangered Myristica swamp ecosystem, likely renders it susceptible to multiple threats, which should be considered jointly in future conservation planning.

}, keywords = {Amphibia, Animal Behavior, Conservation biology, Developmental Biology, ecology, India, Myristica swamp, Reproductive mode, Rhacophoridae, zoology}, doi = {10.7717/peerj.5934}, url = {https://peerj.com/articles/5934}, author = {Abraham, Robin Kurian and Mathew, Jobin Kuruvilla and Raju, David Valiaparampil and Rao, Ramprasad and Zachariah, Anil} } @article {53334, title = {Geographic variation in the advertisement call of Trachycephalus typhonius Anura: Hylidae) based on South American samples}, journal = {Zootaxa}, volume = {4521}, year = {2018}, month = {Feb-11-2019}, pages = {404}, abstract = {

Previously described calls of Trachycephalus typhonius (Linnaeus, 1758) correspond to several populations from Central and South America, but in general, these descriptions were brief and often based on a single recorded individual. Here, based on an expressive sample, we re-describe the advertisement calls of T. typhonius using recordings from populations in Brazil and Argentina. Additionally, we discuss geographical variation of calls, comment on their frequency band structure and compare calls with those described for other species of Trachycephalus. Calls of 32 males were recorded and temporal and spectral features of 269 calls were measured. To search for discrimination among three populations sampled we used the Random Forest (RF) model, Multidimensional Scaling Analysis (MDS) and Wilcoxon-Mann-Whitney Rank Sum Test. The advertisement calls of T. typhonius consist of a multipulsed note of 343\–540 ms of duration, emitted at regular intervals, with up to three emphasized frequency bands. Dominant frequency ranged between 1705\–2750 Hz. Calls from Rond\ônia (Brazil) were significantly different from those recorded in Argentina and Minas Gerais (Brazil) in relation to pulse rate and dominant frequency. Populations from Minas Gerais and Argentina differed in dominant frequency of calls. Such population differences can be partly attributed to differences in prevalence of calling sites (immersed in water vs. perches on vegetation), but can also hint at the existence of cryptic species diversity under this taxon.

}, keywords = {Amazon Milk Frog, Amphibia, Argentina, Brazil, call structure, differentiation, vocalizations}, issn = {1175-5326}, doi = {10.11646/zootaxa.4521.310.11646/zootaxa.4521.3.6}, url = {https://biotaxa.org/Zootaxa/issue/view/zootaxa.4521.3https://biotaxa.org/Zootaxa/article/view/zootaxa.4521.3.6}, author = {V{\'\i}ctor Hugo Zaracho and Leonardo Dionel Aguiar and Ariovaldo A. Giaretta} } @article {53248, title = {Description of the advertisement calls of four species of Amazophrynella (Anura:Bufonidae)}, journal = {Zootaxa}, volume = {4459}, year = {2018}, month = {Feb-08-2019}, pages = {193}, abstract = {

Amazophrynella comprises 11 small bufonid species with a pan-Amazonian distribution (Fouquet et al. 2012a, b; Rojas et al. 2016, Rojas et al. 2018). All species inhabit the forest leaf litter, breed in seasonal puddles and are diurnally and nocturnally active (Fouquet et al. 2012b; Rojas et al. 2014; 2015; 2016). Until now only one nominal species, A. javierbustamantei, and two putative lineages\—A. moisesii (Rio Yuyapichis, Peru) and A. siona (Santa Cecilia, Ecuador)\—had their advertisement calls formally described (Duellman 1978; Schl\üter 1981; Rojas et al. 2016). Herein, we described for the first time the advertisement calls from additional four species of Amazophrynella.

}, keywords = {Amphibia, Anura, Bufonidae}, issn = {1175-5326}, doi = {10.11646/zootaxa.4459.110.11646/zootaxa.4459.1.11}, url = {https://biotaxa.org/Zootaxa/issue/view/zootaxa.4459.1https://biotaxa.org/Zootaxa/article/view/zootaxa.4459.1.11}, author = {Vinicius Tadeu De Carvalho and Robson Waldemar {\'A}vila and KAWASHITA-RIBEIRO, RICARDO A. and Tomas Hrbek and Marcelo Gordo} } @article {53092, title = {On Rhinella gildae Vaz-Silva, Maciel, Bastos \& Pombal 2015 (Anura: Bufonidae): Phylogenetic relationship, morphological variation, advertisement and release calls and geographic distribution}, journal = {Zootaxa}, volume = {4462}, year = {2018}, month = {Mar-08-2020}, pages = {274}, abstract = {

Anurans in the Rhinella margaritifera group have a long history of taxonomic confusion, mainly by morphological similarity between species and lack of acoustic and genetic data for many of the 19 described species. Herein, we presented data for Rhinella gildae based on recently collected specimens from its type locality. We provide patterns of morphological variation, measurements, advertisement and release calls and infer the phylogenetic position of R. gildae. The species geographical distribution was updated, occurring in two Amazonian localities in Maranh\ão state, and Cerrado areas in Maranh\ão and Tocantins states and also in a rainforest enclave inside Caatinga domain in Cear\á state.

}, keywords = {Amphibia, bioacoustics, morphology, Rhinella margaritifera}, issn = {1175-5326}, doi = {10.11646/zootaxa.4462.2.9}, url = {https://biotaxa.org/Zootaxa/issue/view/zootaxa.4462.2}, author = {Robson Waldemar {\'A}vila and Andr{\'e} Mansonato and Renata Perez and Vinicius Tadeu De Carvalho and Igor Joventino Roberto and MORAIS, DRAUSIO HONORIO and Alexandre Pinheiro De Almeida and Rommel R. Rojas and Marcelo Gordo and FARIAS, IZENI PIRES} }