restnu.blogg.se

Bonobo groups are larger than chimpanzee groups. Is it possible that the human kind’s obsession over height, and to judge which male is taller than the other, as a form of dominance, is something based on chimpanzee-like behavior and not bonobo? It was revealed to me that chimpanzee groups are usually much less than bonobos. Let me just give a very superficial theory and let the readers think it over. Sex when done for pleasure and gratification resolves conflict. Remember another stereotype, which is that bonobos is the other known primate which is known to have sex for pleasure and fun, not just for procreation, compared to chimpanzees. The writers wrote it very well when they said the following “…strong size dimorphism has been linked to sexual selection, and changes in size dimorphism imply significant changes in behavior and life history.” In the study, they stated that Pongos, Gorillas, and even our ancestors the Australopithecus all exhibited high levels of sexual size dimorphism.

Now lets look at the study “ Body Size, Size Variation, and Sexual Size Dimorphism in Early Homo“. There is a well known stereotype that Chimpanzees are more likely to use violence to settle problems while Bonobos have sex to resolve conflicts. Then we can look at the structure of behavior between the two species. In fact, the male chimpanzee is actually on average taller than the male bonobo while the female chimpanzee is shorter than the female bonobos. Relatively speaking, the difference between the females and males are much less. The picture is not that big, but you can see that when it comes to Chimpanzees, the difference between the female and the male is very large in terms of body size. Notice that the Size Dimorphism is different between the Bonobos and the Chimpanzee species. The thing that really struck out to me was the following picture. I was watching some short National Geographic type program on Youtube on Chimpanzees when the narrator started to talk about the noticeable differences between chimpanzees and bonobos.