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Infants in bonobo societies are often involved in sexual behaviour. [78] Immature male bonobos have been recorded initiating genital play with both adolescent and mature female bonobos. Copulation-like contact between immature bonobo males and mature female bonobos increases with age and continues until the male bonobo has reached juvenile age.
More often than the males, female bonobos engage in mutual genital-rubbing behavior, possibly to bond socially with each other, thus forming a female nucleus of bonobo society. The bonding among females enables them to dominate most of the males. [97] Adolescent females often leave their native community to join another community.
The clitoris (/ ˈ k l ɪ t ər ɪ s / ⓘ or / k l ɪ ˈ t ɔːr ɪ s / ⓘ; pl.: clitorises or clitorides) is a female sex organ present in mammals, ostriches and other amniotes.. Although the clitoris exists in all mammal species, [1] [2] [3] most studies deal with the human clitoris - few detailed studies of the anatomy of the clitoris in non-humans exist. [4]
Extant primates exhibit a broad range of variation in sexual size dimorphism (SSD), or sexual divergence in body size. [4] It ranges from species such as gibbons and strepsirrhines (including Madagascar's lemurs) in which males and females have almost the same body sizes to species such as chimpanzees and bonobos in which males' body sizes are larger than females' body sizes.
Sexual swellings are concentrations of tumescent tissue, cyclically appearing on the genitalia and adjacent posterior regions of female primates. The exact reproductive purpose of sexual swellings is not fully understood, though the erogenous sensitivity of this tissue is known to motivate females to pursue sexual contact with males. [10]
The clitoris of bonobos is larger and more externalized than in most mammals; [210] Natalie Angier said that a young adolescent "female bonobo is maybe half the weight of a human teenager, but her clitoris is three times bigger than the human equivalent, and visible enough to waggle unmistakably as she walks". [211]
Females have a penis-like structure, called the gynosome that has a tube leading into their body to where their genitalia are located. [17] Neotrogla males have a structure resembling that of a vagina. However, on the inside of their body, they have male genitalia. When the female inserts her organ into the male, the tip of the pseudo penis ...
[28] [127] Immature bonobos, contrariwise, perform genital contact when relaxed. [126] Macaque. Similar same-sex sexual behaviours occur in both male and female macaques. [128] It is thought to be done for pleasure as an erect male mounts and thrusts upon or into another male.