Science Advances

Supplementary Materials

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  • Table S1. The infant’s mother, (potential) allonurser, proportion of allomaternal nursing (based on time spent nursing), and kin relationship between the allonurser and the infant’s mother in the social units of a free-ranging group of golden snub-nosed monkeys (R. roxellana).
  • Table S2. AICc-ranked candidate model set showing relative importance of the following parameters on whether a female acted as allonurser.
  • Table S3. Social and ecological traits of primate species for which regular allomaternal nursing has been reported.
  • Table S4. Adult females’ reproductive history in focal group that is composed of four to six OMUs.
  • References (4549)

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