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Acoustic communication in the Asian elephant, Elephas maximus maximus

Acoustic communication in the Asian elephant, Elephas maximus maximus Acoustic communication in the Asian elephant, Elephas maximus maximus Shermin de Silva 1) (Department of Biology, University of Pennsylvania, Philadelphia, PA 19104, USA) (Accepted: 16 February 2010) Summary Existing knowledge of acoustic communication in elephants is based primarily on African species ( Loxodonta africana and Loxodonta cyclotis ). There has been comparatively less study of communication in Asian elephants ( Elephas maximus ). In order to provide a basis for understanding the evolution and function of acoustic communication in proboscideans, I present a quantitative description of vocal communication in wild Asian elephants. I classify calls by acoustic features into 8 ‘single’ calls, 5 ‘combination’ calls and one possibly unique male call for a total of at least 14 distinct call types. Some of these vocalizations have never before been described. Certain low-frequency calls are individually distinct. Acoustic signals occur in a wide range of social contexts, with some differences in call production among age and sex classes. Keywords : Asian elephant, Elephas maximus , acoustic signals, vocal communication, vocal repertoire. Introduction Similarities in the communication systems of distantly related taxa may be due to similarities in socio-ecology. Development of general frameworks to explain convergence and divergence in the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Acoustic communication in the Asian elephant, Elephas maximus maximus

de Silva, Shermin
Behaviour , Volume 147 (7): 825 – Jan 1, 2010
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Publisher
Brill
Copyright
© 2010 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
DOI
10.1163/000579510X495762
Publisher site
See Article on Publisher Site

Abstract

Acoustic communication in the Asian elephant, Elephas maximus maximus Shermin de Silva 1) (Department of Biology, University of Pennsylvania, Philadelphia, PA 19104, USA) (Accepted: 16 February 2010) Summary Existing knowledge of acoustic communication in elephants is based primarily on African species ( Loxodonta africana and Loxodonta cyclotis ). There has been comparatively less study of communication in Asian elephants ( Elephas maximus ). In order to provide a basis for understanding the evolution and function of acoustic communication in proboscideans, I present a quantitative description of vocal communication in wild Asian elephants. I classify calls by acoustic features into 8 ‘single’ calls, 5 ‘combination’ calls and one possibly unique male call for a total of at least 14 distinct call types. Some of these vocalizations have never before been described. Certain low-frequency calls are individually distinct. Acoustic signals occur in a wide range of social contexts, with some differences in call production among age and sex classes. Keywords : Asian elephant, Elephas maximus , acoustic signals, vocal communication, vocal repertoire. Introduction Similarities in the communication systems of distantly related taxa may be due to similarities in socio-ecology. Development of general frameworks to explain convergence and divergence in the

Journal

Behaviour – Brill

Published: Jan 1, 2010

Keywords: ASIAN ELEPHANT; ACOUSTIC SIGNALS; VOCAL COMMUNICATION; ELEPHAS MAXIMUS; VOCAL REPERTOIRE

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