Quantitative data on the carrying of young captive monkeys (Callithrix jacchus) by other members of their family groups

Box, Hilary O.

doi:10.1007/bf02383125

Cited by 65 publications

(36 citation statements)

References 3 publications

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“…The results of Study 2 were not surprising given reports indicating that female carrying effort is negatively correlated with group size (common marmosets : Box, 1977;cotton-top tamarins: Cleveland and Snowdon, 1984;Ziegler et al, 1990; golden lion tamarins: Bales et al, 2002). However, an investigation into caregiving behavior in two taxa of callitrichid primates (Callithrix and Leontopithecus) demonstrated that Callithrix females living in large groups (i.e., with more alloparental assistance) spent more time carrying their infants during the first month of infant life than females living in smaller groups (Santos et al, 1997).…”

Section: Discussionmentioning

confidence: 53%

Opportunistic mothers: female marmosets (Callithrix kuhlii) reduce their investment in offspring when they have to, and when they can

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Patera

French

et al. 2005

Journal of Human Evolution

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All female primates incur energetic costs associated with producing and caring for offspring, but females belonging to the New World primate family Callitrichidae, the marmosets and tamarins, appear to face even further demands. In fact, the energetic demands of rearing callitrichid infants are thought to have led to the evolution of cooperative infant care in these species. If this explanation is true, then one might expect that natural selection should also have shaped patterns of maternal behavior to be sensitive to the costs of reproduction and equipped females to reduce their investment in offspring under certain conditions. Therefore, we examined the maternal effort and postpartum endocrine profiles of individual female marmosets (Callithrix kuhlii) across conditions that represented two hallmarks of callitrichid reproduction-conception during the early postpartum period and alloparental assistance. When females conceived during the early postpartum period and faced the upcoming demands of caring for their newly conceived litters (Study 1), they significantly reduced their caregiving effort and had significantly higher postpartum levels of estradiol relative to breeding attempts in which conception occurred later in the postpartum period. Postpartum estradiol was negatively correlated with maternal carrying effort. When experienced alloparents were present (Study 2), females again reduced their caregiving effort relative to breeding attempts in which experienced alloparents were not present. Postpartum cortisol, however, did not vary as a function of experienced alloparental assistance. The results of these studies suggest that female marmosets have been subjected to similar selection pressures as females of other primate taxa-to maximize their reproductive success by reducing their investment in offspring under the worst and best of conditions-and suggest that hormones may mediate within-female variation in maternal care. These studies also provide support for the notion that mothers are "flexible opportunists" when it comes to providing care to their young.

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Section: Discussionmentioning

confidence: 53%

Opportunistic mothers: female marmosets (Callithrix kuhlii) reduce their investment in offspring when they have to, and when they can

Fite

Patera

French

et al. 2005

Journal of Human Evolution

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show abstract

“…In general, young female marmosets and tamarins become involved in parental care earlier than males (Hoage 1977;Box 1977a;Ingram 1977), and often attempt to "steal" babies before the adult female is prepared to transfer them. The twin sisters of group C may have been aroused by the imminent infant transfer (as well as the mother's imminent estrus), and fought after being thwarted in their attempts to obtain an infant.…”

Section: Discussionmentioning

confidence: 99%

Parent-Offspring Conflict and Sibling Competition in a Monogamous Primate

Kleiman¹

1979

The American Naturalist

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“…It comprises a typical helperat-nest system [17], in which the infants are reared communally. It is generally argued that the cooperation of family members in the care of infants is associated with fitness gains for all individuals involved: While the alpha pair secures its own parental invest ment in this way [18][19][20], the non-reproductive offspring may gain fundamental expe rience and acquire crucial skills in infant care [21,22] and may profit from a delayed emigration in times of territorial scarcity [23, 24 for C.jacchus]. The number of avail able helpers in a group and, as certain studies imply [251, their infant-rearing experi ence could well represent a limited resource.…”

Section: Discussionmentioning

confidence: 99%

Occurrence of an Infanticide within a Captive Polygynous Group of Common Marmosets, Callithrix jacchus

Kirkpatrick-Tanner

Aeschlimann²,

Anzenberger³

1996

IJFP

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Quantitative data on the carrying of young captive monkeys (Callithrix jacchus) by other members of their family groups

Cited by 65 publications

References 3 publications

Opportunistic mothers: female marmosets (Callithrix kuhlii) reduce their investment in offspring when they have to, and when they can

Opportunistic mothers: female marmosets (Callithrix kuhlii) reduce their investment in offspring when they have to, and when they can

Parent-Offspring Conflict and Sibling Competition in a Monogamous Primate

Occurrence of an Infanticide within a Captive Polygynous Group of Common Marmosets, Callithrix jacchus

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