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Vocalisation in wild-living mountain gazelles (Gazella gazella): structure and context of acoustical signals

于Behaviour
著者:
Amir Arnon Department of Evolutionary and Environmental Biology, University of Haifa, Mt Carmel, Haifa 3498838, Israel
Ramat Hanadiv Nature Park, Zikhron Yaakov 30900, Israel

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https://orcid.org/0000-0001-5059-3834
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Nicola F. Koyama Faculty of Science, School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK

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https://orcid.org/0000-0002-3912-1550
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Torsten Wronski Faculty of Science, School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK

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https://orcid.org/0000-0002-0853-6008
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Abstract

Describing vocalisations of species in the wild is an important step to understanding their function. A wild-living population of mountain gazelles (Gazella gazella) was monitored in Israel, using camera traps, thereby providing a first detailed description of the acoustic repertoire. We described six acoustical signals that were either reported by previous authors or that were hitherto not reported. Acoustic signals were categorised according to behavioural context as alarm calls, courtship calls or threat calls and — if possible — characterised by four acoustic variables, i.e., duration, maximum amplitude frequency, three power quartiles and fundamental frequency. Vocalisations were illustrated as spectrograms supplemented by full video sequences to show the acoustical signal in its environmental, social, and behavioural context. Given the rather inconspicuous character of many acoustic signals, we proposed further in-depth studies of vocalisation in mountain gazelles and other Antilopine species to unravel new insights into their behaviour and social organisation.

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