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Cited by 19Animal Vocal Communication and BehaviorMusic and Audio ProcessingMarine animal studies overview

The DOI matches its Crossref record; 31 of the 31 references it cites were found in a registry or an index.

A method for identifying sounds used in the classification of alarm calls

Placer, J, Slobodchikoff, C.N·2004·Behavioural Processes
DOI 10.1016/j.beproc.2004.03.001
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Abstract

In this study, we present a methodology that identifies acoustic units in Gunnison's prairie dog alarm calls and then uses those units to classify the alarm calls and bouts according to the species of predator that was present when the calls were vocalized. While traditional methods measure specific acoustic parameters in order to describe a vocalization, our method uses the variation in the internal structure of a vocalization to define possible information structures. Using a simple representation similar to that used in human speech to identify vowel sounds, a software system was developed that uses this representation to recognize acoustic units in prairie dog alarm calls. These acoustic units are then used to classify alarm calls and their associated bouts according to the species of predator that was present when the alarm calls were vocalized. Identification of bouts with up to 100% accuracy was obtained. This work represents a first step toward revealing the details of how information is encoded in a complex nonhuman communication system. Furthermore, the techniques discussed in this paper are not restricted to a database of prairie dog alarm calls. They could be applied to any animal whose vocalizations include multiple simultaneous frequencies.

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Research works printed but not linked: 3

  1. Kiriazis, J., 1991. Communication and Sociality in Gunnisons prairie dogs, PhD dissertation, Northern Arizona University.
  2. Lengagne, 1997, Une methode de decomposition temporelle et spectrale des signaux bioacoustiques: reconnaissance individuelle chez quatre especes de manchots. Comptes Rendus de l’Academie des Sciences, Serie III, Sciences de la Vie, 320, 885
  3. Owings, D.H., Hennessy, D.F., 1984. The importance of variation in sciurid visual and vocal communication. in: Murie, J.O., Michener, G.R. (Eds.), The Biology of Ground-Dwelling Squirrels. University of Nebraska Press, Lincoln, NB, pp. 167–200.

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Metadata

Authors
Placer, J., & Slobodchikoff, C. N.
Affiliations
Northern Arizona University (US)
Venue
Behavioural Processes
Publisher
Elsevier BV
Published
2004-07
Volume
67
Issue
1
Pages
87-98
ISSN
0376-6357 (ISSN-L)
DOI
10.1016/j.beproc.2004.03.001
OpenAlex
W2066298494
Cited by
19
References
31
Citations by year
2026: 1 · 2020: 3 · 2019: 1 · 2017: 1 · 2013: 1 · 2012: 2
FWCI
1.22
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Behavioural Processes (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Vocal Communication and Behavior
  • Physical Sciences › Computer Science › Signal Processing › Music and Audio Processing
  • Physical Sciences › Environmental Science › Ecology › Marine animal studies overview
Keywords
Gunnison's prairie dog, alarm calls, animal communication, predator detection
MeSH terms
Acoustics, Animals, Auditory Perception, Echolocation, Sound, Sound Spectrography, Vocalization, Animal

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CoChat. (2026). Citation check: A method for identifying sounds used in the classification of alarm calls. https://app.cochat.ai/papers/10.1016/j.beproc.2004.03.001
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Placer, J., & Slobodchikoff, C. N. (2004). A method for identifying sounds used in the classification of alarm calls. Behavioural Processes. https://doi.org/10.1016/j.beproc.2004.03.001