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Vocalizations and associated behaviour of Asian elephant (Elephas maximus) calves

Vocalizations and associated behaviour of Asian elephant (Elephas maximus) calves Behaviour 149 (2012) 575–599 brill.nl/beh Vocalizations and associated behaviour of Asian elephant ( Elephas maximus ) calves Astrid Herler a and Angela S. Stoeger b , ∗ a Department of Evolutionary Biology, University of Vienna, Althanstrasse 14b, A-1090 Vienna, Austria b Department of Cognitive Biology, University of Vienna, Althanstrasse 14b, A-1090 Vienna, Austria * Corresponding author’s e-mail address: angela.stoeger-horwath@univie.ac.at Accepted 5 May 2012 Abstract The present study describes the acoustic structure and associated behavioural contexts of vocal- izations of Asian elephant calves. Three hundred twenty-seven vocalizations of six calves aged between 6 and 27 months were recorded at the Emmen and the Cologne zoo. Based on temporal and structural characteristics including nonlinear phenomena, we structurally distinguished four call types, the rumble, the roar, the chirp and the trumpet. Most vocalizations were uttered dur- ing all forms of play behaviour, with chirps and trumpets dominating here. Rumbles were mainly recorded in combination with roars; the latter were highly chaotic in structure and associated with higher arousal contexts (e.g., being separated from the mother). These first insights into the vocal behaviour of Asian elephant calves reveal that calf vocalizations clearly differ in acoustic structure and application from those of adults and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Vocalizations and associated behaviour of Asian elephant (Elephas maximus) calves

Herler, Astrid; Stoeger, Angela S.
Behaviour , Volume 149 (6): 25 – Jan 1, 2012
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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
DOI
10.1163/156853912x648516
Publisher site
See Article on Publisher Site

Abstract

Behaviour 149 (2012) 575–599 brill.nl/beh Vocalizations and associated behaviour of Asian elephant ( Elephas maximus ) calves Astrid Herler a and Angela S. Stoeger b , ∗ a Department of Evolutionary Biology, University of Vienna, Althanstrasse 14b, A-1090 Vienna, Austria b Department of Cognitive Biology, University of Vienna, Althanstrasse 14b, A-1090 Vienna, Austria * Corresponding author’s e-mail address: angela.stoeger-horwath@univie.ac.at Accepted 5 May 2012 Abstract The present study describes the acoustic structure and associated behavioural contexts of vocal- izations of Asian elephant calves. Three hundred twenty-seven vocalizations of six calves aged between 6 and 27 months were recorded at the Emmen and the Cologne zoo. Based on temporal and structural characteristics including nonlinear phenomena, we structurally distinguished four call types, the rumble, the roar, the chirp and the trumpet. Most vocalizations were uttered dur- ing all forms of play behaviour, with chirps and trumpets dominating here. Rumbles were mainly recorded in combination with roars; the latter were highly chaotic in structure and associated with higher arousal contexts (e.g., being separated from the mother). These first insights into the vocal behaviour of Asian elephant calves reveal that calf vocalizations clearly differ in acoustic structure and application from those of adults and

Journal

Behaviour – Brill

Published: Jan 1, 2012

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