Cross‐genus adoption of a marmoset (Callithrix jacchus) by wild capuchin monkeys (Cebus libidinosus): case report

@article{Izar2006CrossgenusAO,
  title={Cross‐genus adoption of a marmoset (Callithrix jacchus) by wild capuchin monkeys (Cebus libidinosus): case report},
  author={Patr{\'i}cia Izar and Michele Pereira Verderane and Elisabetta Visalberghi and Eduardo B. Ottoni and Marino Gomes De Oliveira and Jeanne Shirley and Dorothy Munkenbeck Fragaszy},
  journal={American Journal of Primatology},
  year={2006},
  volume={68}
}
We report a case of interspecies adoption of an infant marmoset (Callithrix jacchus) by wild capuchin monkeys (Cebus libidinosus). The marmoset was an infant when it was first observed in the capuchin group on 3 March 2004. Since it first appeared it has been observed informally and frequently. In January 2005 systematic observations were made of the marmoset and a capuchin of similar age. Throughout its period of adoption the marmoset appeared to be socially integrated into the group… 

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