Acoustic stability in hyrax snorts: vocal tightrope-walkers or wrathful verbal assailants?

Yishai A Weissman, Vlad Demartsev, Amiyaal Ilany, Adi Barocas, Einat Bar-Ziv, Inbar Shnitzer, Eli Geffen and Lee Koren

Behavioral Ecology, 2019, vol. 30, issue 1, 223-230

Abstract: Vocal quality allows listeners to derive information on properties of the caller such as body size and state of arousal. Male rock hyraxes advertise themselves by singing. We found that the stability of a single song element can be used to predict both body size and social rank of the singer. We also showed that other hyraxes may consider this information when deciding how to interact with the singer.

Keywords: inner arousal theory; jitter; nonlinear vocalizations; source-filter theory; vocal communication (search for similar items in EconPapers)
Date: 2019
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