AI Article Synopsis
- Mothers can enhance the reproductive success of their daughters in group-living mammals, even after the daughters are independent.
- This study found that male bonobos have better paternity success when their mothers are present during conception, unlike chimpanzees, where this effect isn’t observed.
- The findings support existing research that indicates females, particularly mothers, play a more significant role in the social structure of bonobos compared to chimpanzees.
Article Abstract
In many group-living mammals, mothers may increase the reproductive success of their daughters even after they are nutritionally independent and fully grown [1]. However, whether such maternal effects exist for adult sons is largely unknown. Here we show that males have higher paternity success when their mother is living in the group at the time of the offspring's conception in bonobos (N = 39 paternities from 4 groups) but not in chimpanzees (N = 263 paternities from 7 groups). These results are consistent with previous research showing a stronger role of mothers (and females more generally) in bonobo than chimpanzee societies.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7335732 | PMC |
| http://dx.doi.org/10.1016/j.cub.2019.03.040 | DOI Listing |
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