Scientists from the Institute of evolutionary anthropology max Planck stated that female bonobos (pygmy chimpanzees) act as “matchmakers” for their sons. As reported by N+1, the mother fed the cubs with the females ready for mating, and discourage them from other males. The researchers emphasize that the reproductive success of sons in such cases increased three times.
In the study, researchers compared the behavior of individuals of two closely related species, which lived in captivity: the common chimpanzee and the Bonobo. The researchers noticed that although female chimpanzees and bonobos, live near their sons and often help them in competing with other males, only mothers reduce their bonobos with other females. After studying the behavior of individuals, the researchers found that such support of the mother enhances reproductive success of male bonobos in three times. Interestingly, the common chimpanzee, the success rate of reproduction falls approximately in 1,5 times, if the sons help from my mother. According to the authors, this is because female bonobos can occupy a dominant role in the community, unlike communities of chimpanzees, where all the leading role is only the males.
According to researchers, the behavior of Bonobo females is consistent with the hypothesis of a long-lived species that invest a lot of time and effort in the rearing of their own offspring, remaining with the cubs even before reaching adulthood, and sacrificing one’s own reproductive success for the sake of quality offspring.