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On arrival in one other neighborhood, young bonobo females at Wamba single out one or two senior resident females for particular consideration, using frequent GG rubbing and grooming to ascertain a relation. Furthermore, adult male chimpanzees travel collectively in same-intercourse events, grooming one another frequently. Amy R. Parish of the University of California, Davis, reported on meals competitors in equivalent groups (one adult male and two adult females) of chimpanzees and bonobos at the Stuttgart Zoo. Rather than being male-bonded, bonobo society provides the impression of being female-bonded, with even adult males counting on their mothers instead of on different males. Sex thus smooths the migrants entrance into the group of females, which is way more shut-knit within the bonobo than in the chimpanzee. The human females capacity to mate all through her cycle and her sturdy intercourse drive permit her to change sex for male commitment and paternal care, thus giving rise to the nuclear household. |
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发表于 2024-9-20 13:17:44