Abstracts » Psychology and mental health

Cross-genus adoption of marmoset (Callithrix jacchus) by wild capuchin monkeys (Cebus libidinosus): Case report

Article Abstract:

A case study of interspecies adoption of an infant marmoset by wild capuchin monkeys revealed that throughout its period of adoption, the marmoset appeared to be socially integrated into the group, benefiting from nutrient behaviors exhibited by two successive adoptive 'mothers' and pronounced tolerance from all members of the group. The flexibility of both Callithrix and Cebus in accommodating variable social behaviors and other social characteristics is highlighted in the study.

Parental behavior in animals, Animal parental behavior, Animal parental behaviour, Capuchin monkeys

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Behavioral strategies and hormonal profiles of dominant and subordinate common Marmoset (Callithrix jacchus) females in wild monogamous groups

Article Abstract:

The behavioral and hormonal profiles of common marmoset females living in three wild monogamous groups varying from five to 11 individuals, at Nisia Floresta field station, RN, Brazil, are described. Under field conditions the reproductive inhibition of subordinate females appears to be more behavioral than hormonal, since subordinate females of the three groups ovulated and two conceived during the study.

Genetic aspects, Animal reproduction

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Paracellular nutrient absorption in a gum-feeding new world primate, the common Marmoset Callithrix jacchus

Article Abstract:

A study to examine the paracellular nutrient absorption in the Marmoset Callithrix jacchus, new world primate is conducted. Results conclude that high paracellular absorption may be a compensatory mechanism for reduced small intestine size.

Physiological aspects, Food and nutrition, Animal nutrition

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