Communication in the Titi monkey, Callicebus

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Abstract
The communication system of Callicebus moloch includes a few olfactory and tactile signals, a moderate number of visual signals, and an enormous number of acoustic signals. The visual signal repertory is comparatively simple, and may be primitive in some respects. The acoustic signal repertory is very complex. It may illustrate the maximum elaboration which can beattained by species‐specific language.