, Volume 23, Issue 2, pp 206-219

A field study on the vocalizations of Goeldi's monkeys (Callimico goeldii)

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The vocalizations ofCallimico goeldii inhabiting North Bolivia were recorded and analyzed. A total vocal repertoire of 40, including two ultrasonic vocalizations, was recognized. The situation in which each vocalization was emitted is described. The phonetic structure of the longdistance location calls varied precisely dependent on the interindividual distances, while distinct individual variations were seen in the short-distance location calls. Every agonistic call could grade into another, from that reflecting the most aggressive tendency to that of fear emotion. The repertoire and characteristics of the infantile calls are also described, and their ontogeny is discussed.