Article
Geographic variation in Thomas langur (Presbytis thomasi) loud calls.
American journal of primatology - 1 Jun 2008
Wich Serge A, Schel Anne Marijke, de Vries Han
Abstract excerpt
Geographic variation in primate vocalizations has been described at two levels. First, at the level of acoustic variation within the same call type between populations and, second, at the level of presence or absence of certain call types in different populations. Acoustic variation is of interest because there are several factors that can explain this variation, such as gene flow, ecological factors and...
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