Allomaternal care and ‘adoption’ in an edge-of-range population of Taihangshan macaques in Northern China

Guo, Yongman; Grueter, Cyril C.; Lu, Jiqi

doi:10.1093/cz/zoac027

Cited by 2 publications

(1 citation statement)

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“…Focusing on macaques, adoption by adult females has been documented in captive rhesus ( M. mulatta ) (Deets and Harlow 1974 ; Ellsworth and Andersen 1999 ), Japanese ( M. fuscata ) (Fuccillo et al 1983 ), and long-tailed ( M. fascicularis ) macaques (Cho et al 1986 ), and semi-free-ranging Barbary macaques ( M. sylvanus ) (Paul and Kuester 1996 ). A more recent study reported adoption of an orphaned infant by her sister in a wild population of Taihangshan macaques (M. mulatta tcheliensis , Guo et al 2022 ). Interestingly in this case, alloparental care was also provided to the infant by two adult males in the troop.…”

Section: Introductionmentioning

confidence: 99%

Infant adoptions in wild bonnet macaques (Macaca radiata)

et al. 2022

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Though uncommon, adoption of orphaned infants has been observed in both wild and captive non-human primates. In two groups of wild bonnet macaques (Macaca radiata), we observed five instances of infants being cared for after they lost their mothers at a pre-weaning age (< 6 months). Orphaned infants had one or more caregivers (juvenile, subadult, and adult female or male) involved in carrying, grooming, hugging, and protecting them. Adoption did not appear to be related to the age/sex class of the infant, or directly to the mother’s rank. Although the dominance rank of the mother of an orphaned infant did not have a direct effect on orphan survivorship, it determined the number of caregivers available to the orphaned infant, and infant survivorship was positively related to the number of caregivers of the orphaned infant. Thus, survivorship was likely a function of the mother’s sociality. Two other infants born to high-ranking mothers were also adopted by more individuals and survived longer than the infants of low-ranking mothers.

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Section: Introductionmentioning

confidence: 99%

Infant adoptions in wild bonnet macaques (Macaca radiata)

et al. 2022

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Intertroop kidnapping of a young infant in wild olive baboons (Papio anubis)

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Landry,

Bădescu

et al. 2024

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On June 16, 2023, a juvenile female olive baboon (Papio anubis) in our study troop at the Uaso Ngiro Baboon Project in Kenya grabbed a ~3-week-old infant from another troop and released him near a high-ranking adult female in the study troop. This female, who was already pregnant, took the infant and treated him as her own, allowing him nipple access. The infant survived for over a month, which suggests the female produced some milk, at least initially, but he eventually died on July 24. Here, we describe the behaviours of all individuals involved in this rare event, and present possible proximate mechanisms and ultimate explanations for the behaviours observed. Rare events can reveal a species’ behavioural and physiological flexibility, and this one sheds light on the potential for infant stacking in baboons and the use of infants as a commodity within the social market of the troop.

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Allomaternal care and ‘adoption’ in an edge-of-range population of Taihangshan macaques in Northern China

Cited by 2 publications

References 8 publications

Infant adoptions in wild bonnet macaques (Macaca radiata)

Infant adoptions in wild bonnet macaques (Macaca radiata)

Intertroop kidnapping of a young infant in wild olive baboons (Papio anubis)

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