Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/5519
Title: Contact Calls of Common Marmosets ('Callithrix jacchus'): Influence of Age of Caller on Antiphonal Calling and Other Vocal Responses
Contributor(s): Chen, Hou-Chun (author); Kaplan, Gisela (author); Rogers, Lesley (author)
Publication Date: 2009
DOI: 10.1002/ajp.20636
Handle Link: https://hdl.handle.net/1959.11/5519
Abstract: Marmosets, as do many other primates, live in forest environments, are group living and constantly at risk of predation. Retaining contact with one another is therefore a matter of survival. We ask here whether their contact calls (phee and twitter vocalizations) are in some way ordered acoustically by sex or age and whether the calls of older marmosets elicit different responses than those of younger marmosets. In our study, marmosets (2–14 years) were visually isolated from conspecifics and the vocal responses to each isolated caller by other marmosets in the colony were recorded. Vocal responses to phee calls largely consisted of phee calls and, less commonly, twitter calls. No differences between the responses to calls by males and females were apparent. However, we found a strong positive and significant correlation between the caller’s age and the percentage of its phee calls receiving a phee response, and a significant negative correlation between the caller’s age and the percentage of its phee calls receiving a twitter response. The older the marmoset, the more antiphonal calling occurred. Two-syllable phee calls were emitted more often by older marmosets (10–14 years) than by younger ones (2–6 years). Hence, we have found age-dependent differences in phee-call production and a consistent change in the response received across the adult life-span. This age-dependent effect was independent of kinship relations. This is the first evidence that marmosets distinguish age by vocal parameters alone and make social decisions based on age.
Publication Type: Journal Article
Source of Publication: American Journal of Primatology, 71(2), p. 165-170
Publisher: John Wiley & Sons Inc
Place of Publication: Hoboken, United States of America
ISSN: 0275-2565
0736-7880
1098-2345
Field of Research (FOR): 060801 Animal Behaviour
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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