Mobbing vocalizations as a coping response in the common marmoset

Cross N. and Rogers L.J. (2006) Mobbing vocalizations as a coping response in the common marmoset. Hormones and Behavior, 49 2: 237-245. doi:10.1016/j.yhbeh.2005.07.007


Author Cross N.
Rogers L.J.
Title Mobbing vocalizations as a coping response in the common marmoset
Journal name Hormones and Behavior   Check publisher's open access policy
ISSN 0018-506X
Publication date 2006
Sub-type Article (original research)
DOI 10.1016/j.yhbeh.2005.07.007
Volume 49
Issue 2
Start page 237
End page 245
Total pages 9
Subject 1310 Endocrinology
2802 Behavioral Neuroscience
2808 Neurology
3200 Psychology
Abstract Using a non-invasive method of sampling saliva followed by assay for cortisol levels, we found that common marmosets (Callithrix jacchus) show a decrease in cortisol levels after seeing a snake-model stimulus that reliably elicits mobbing (tsik) calls. In fact, there was a significant positive correlation between the number of tsik vocalizations made and the magnitude of the decrease in the cortisol concentrations. Furthermore, marmosets with higher levels of cortisol prior to being exposed to the stimulus produce more tsik calls than those with lower levels of cortisol. Subsequent experiments showed that, in response to 15 min of isolation with no visual or auditory contact with conspecifics (a traditional stressor), cortisol levels increased significantly. However, playback of the mobbing calls of a familiar conspecific to individual isolated marmosets not only prevented the rise in cortisol, but also actually caused a decrease in the levels of this hormone. This suggests that the mobbing calls serve to calm the marmoset after experiencing a stressful situation. This finding results in a greater understanding as to the role of physiological responses during communication in this species and could have implications for the welfare of marmosets in captivity.
Keyword Cortisol
Marmoset
Stress
Vocalizations
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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