Vocalizations of anuran amphibians have received much attention in studies of behavioral
ecology and physiology, but also provide informative characters for identifying and …

I investigated the relationship between male human vocal characteristics and female
judgements about the speaker. Thirty-four males were recorded uttering five vowels and …

Simple Summary Over the years, conservation physiologists have attempted to evaluate the
threat factors affecting populations and manage ecosystems effectively by understanding …

Researchers have used sexual selection theory and hypotheses based on intersexual mate
choice and intrasexual mate competition to explain the role of spontaneous long-distance …

In this study, we analysed the patterns of variation of the European treefrog's advertisement
call at four levels of organization: within individuals, within populations, among populations …

In this study we analysed the acoustic activity of Hylodes heyeri in areas of Atlantic Forest, in
southern Brazil. Observations were made in November 2001 and from January to April …

We analysed variation in three temporal (pulse rate, call and intercall duration) and one
spectral (fundamental frequency) acoustic properties of the green toad's, Bufo viridis …

Only a few species of frogs, represented in four families (Bufonidae, Dendrobatidae,
Hylidae, and Leptodactylidae), inhabit elevations above 3000 m in the tropical Andes, an …

The vocalizations of H. raniceps (Cope, 1826) and their functions are described, including
an analysis of the influence of temperature, weight, or SVL (snout-vent length) of males on …

Many animals rely on vocal communication for mating advertisement, territorial displays, and
warning calls. Advertisement calls are species‐specific, serve as a premating isolation …