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Bioacoustic papers in Nature‏

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Subject: Bioacoustic papers in Nature‏
From: Jianqiang XIAO <>
Date: Fri, 30 Jan 2009 03:14:00 +0800

Nature 457, 515 (29 January 2009) | doi:10.1038/457515b

Research Highlights

Behaviour: Marmo-what?

Am. J. Primatol. doi:10.1002/ajp.20657 (2009)
The first evidence of within-species dialects among neotropical primates has 
been revealed.

Stella de la Torre at the University of San Francisco Quito, Ecuador, and 
Charles Snowdon at the University of Wisconsin, Madison, recorded the vocal 
patterns of adult pygmy marmosets (Callithrix pygmaea; pictured) from 14 groups 
found in five geographically distinct regions of northeastern Ecuador. Although 
variation among the calls of adults from the same region was common, they 
discovered consistent structural differences in calls between regions.

The authors suggest that social factors, genetic drift and habitat acoustics — 
with different sounds being needed to best transmit information through 
different forest habitats — could explain the differences.



XIAO, Jianqiang, Ph.D.
Research Associate
Psychology Department
Rutgers University
152 Frelinghuysen Road
Piscataway, NJ 08854

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