Social contact influences the response of infant marmosets towards novel food

To reduce the risks involved in investigating potential food, individuals may use social information from more experienced conspecifics. Infants of generalist foragers are those most often confronted with unknown food items. To investigate the extent to which the response of infant common marmosets, Callithrix jacchus, towards novel food is influenced by the presence of experienced […]

The influence of sex and relatedness on stress response in common Marmosets (Callithrix jacchus)

Research in stress physiology has demonstrated the benefits of receiving social support during stressful conditions. However, recent data have shown that the efficacy of social support in buffering physiological and behavioral responses to stressor agents depends on species, sex, and relatedness among animals. This study investigated whether different kinds of social support (presence of same […]

Severe Intragroup Aggressions in Captive Common Marmosets (Callithrix jacchus)

Members of captive colonies of common marmosets (Callithrix jacchus), a small New World primate, can occasionally be victims of repeated, and potentially fatal, attacks by a family-mate. This study examined the records of a colony, looking for past instances of such aggressions. The aim was to better understand the possible causes underlying this phenomenon and […]

Consistent inter-individual differences in common marmosets (Callithrix jacchus) in Boldness-Shyness, Stress-Activity, and Exploration-Avoidance