Results 71 to 80 of about 14,814 (273)
Description of the tadpole of Itapotihyla langsdorffii (Anura: Hylidae)
Zootaxa, 2007 The tadpole of Itapotihyla langsdorffii is described and illustrated. Morphological data are compared with available information on tadpoles of casque-headed frogs occurring in the Atlantic Rainforest (genera Aparasphenodon and Trachycephalus), and also with Osteocephalus.
Bruno V. S. Pimenta +1 more
openalex +5 more sources
Occurrence of bufotenin in the Osteocephalus genus (Anura: Hylidae) [PDF]
Toxicon, 2005 Bufotenin (5-hydroxy-N,N-dimetyltryptamine) is a tryptamine alkaloid widely spread among anuran families as a component of their chemical defense system, acting as a potent hallucinogenic factor, showing similar activity to LSD upon interaction with the 5HT2 human receptor. This work demonstrates the presence of bufotenin in the skin secretion of three
Carlos Bloch +5 more
openaire +3 more sources
Iheringia: Série Zoologia, 2004 Although Brazil encompasses one of the most abundant anuran faunas in the world, quantitative information on anuran ecology and diet are limited, especially in the Northeastern region.
Ednilza M. Santos +2 more
doaj +1 more source
Amphibia and Reptilia, Quebrada de los Cuervos, Departamento de Treinta y Tres, Uruguay [PDF]
Check List, 2011 We present an annotated list of the herpetofauna at the Protected Area Quebrada de los Cuervos, Departamento de Treinta y Tres, Uruguay. We recorded 24 species of amphibians and 29 of reptiles, accounting for near half of the species already reported ...
Carlos Prigioni +2 more
doaj +3 more sources
Diversity of amphibians in rice fields from northeastern Argentina [PDF]
, 2008 Se registró y analizó la diversidad y riqueza de una comunidad de anfibios que habita campos de arroz en el nordeste de Ar.gentina. Las muestras fueron obtenidas en el período comprendido entre octubre 2001 y junio 2003.
Duré Pitteri, Marta Inés +3 more
core
PeerJ, 2018 Molecular studies have uncovered significant diversity in the Mexican Highlands, leading to the description of many new endemic species. DNA approaches to this kind of species discovery have included both mitochondrial DNA (mtDNA) sequencing and ...
E. Zarza +6 more
semanticscholar +1 more source
Effect of traffic noise on Scinax nasicus advertisement call (Amphibia, Anura)
Iheringia: Série Zoologia, 2019 Increased anthropogenic-made sounds such as traffic noises contribute to acoustic pollution, which produces deleterious effect on song-vertebrates. We compared the advertisement call of Scinax nasicus (Cope, 1862) males in natural (as a reference or ...
Evelina Leon +4 more
doaj +1 more source
Ecological aspects of the casque-headed frog Aparasphenodon brunoi (Anura, Hylidae) in a Restinga habitat in southeastern Brazil [PDF]
, 2004 We describe some aspects of the ecology of Aparasphenodon brunoi, a species associated with bromeliads. We comment on the relationships of this species with bromeliad size, microhabitat use, diet and sexual dimorphism.
Daniel Oliveira Mesquita +2 more
core +2 more sources
Chemistry and Biodiversity, 2019 Alzheimer's disease (AD) is the most common cause of dementia, characterized by loss of selective neuronal and normal brain functions. Every year, ten million new cases are diagnosed worldwide.
Roque Spinelli +7 more
semanticscholar +1 more source
Feeding habits of Boana raniceps (Cope, 1862) in three mountains of Brazilian semiarid
Universitas Scientiarum, 2023 Studying the trophic ecology of animals helps us understand their life history, their relationship with the environment and other species, and their role in ecosystems.
Nayla Letícia Assunção Rodrigues +3 more
doaj +1 more source