Free-ranging male koalas use size-related variation in formant frequencies to assess rival males.

Although the use of formant frequencies in nonhuman animal vocal communication systems has received considerable recent interest, only a few studies have examined the importance of these acoustic cues to body size during intra-sexual competition between males. Here we used playback experiments to pr...

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Bibliographic Details
Main Authors: Benjamin D Charlton, Desley A Whisson, David Reby
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2013-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3726542?pdf=render