Sexual intercourse plays a major role in Bonobo society, being used as a greeting, a means of conflict resolution and post-conflict reconciliation. With the exception of a pair of Congoese gorillas observed doing so[18], Bonobos were thought to be the only non-human apes to have been observed engaging in all of the following sexual activities: face-to-face genital sex, tongue kissing, and oral sex.[19] In scientific literature, the female-female sex is often referred to as GG rubbing or genital-genital rubbing.
Sexual activity happens within the immediate family as well as outside it, and often involves adults and children, even infants.[20] Bonobos do not form permanent relationships with individual partners. They also do not seem to discriminate in their sexual behavior by gender or age, with the possible exception of sexual intercourse between mothers and their adult sons; some observers believe these pairings are taboo. When Bonobos come upon a new food source or feeding ground, the increased excitement will usually lead to communal sexual activity, presumably decreasing tension and allowing for peaceful feeding.[21]
Bonobo males frequently engage in various forms of male-male genital sex (frot).[22][23] One form has two males hang from a tree limb face-to-face while "penis fencing"[24][25]. Frot may also occur where two males rub their penises together while in missionary position. A special form of frot called "rump rubbing" occurs to express reconciliation between two males after a conflict, where they stand back-to-back and rub their scrotal sacs together.
Bonobo females also engage in female-female genital sex (tribadism) to socially bond with each other, thus forming a female nucleus of Bonobo society. The bonding between females allows them to dominate Bonobo society - although male Bonobos are individually stronger, they cannot stand alone against a united group of females.[25] Adolescent females often leave their native community to join another community. Sexual bonding with other females establishes the new females as members of the group. This migration mixes the Bonobo gene pools, providing genetic diversity.
Bonobo reproductive rates are not any higher than that of the Common Chimpanzee. Female Bonobos carry and nurse their young for five years and can give birth every five to six years. Compared with Common Chimpanzees, Bonobo females resume the genital swelling cycle much sooner after giving birth, allowing them to rejoin the sexual activities of their society. Also, Bonobo females who are either sterile or too young to reproduce still engage in sexual activity.
Craig Stanford, an American primatologist, has challenged the claim that Bonobos are more sexually active than Common Chimpanzees. Stanford compared existing data on Common Chimpanzees and Bonobos in the natural habitat and found that female Common Chimpanzees copulated at least as often as female Bonobos, while male chimpanzees actually copulated more than male Bonobos.[26] His comparison excluded same-sex sexual contacts, however, which are very common in Bonobos. De Waal's book on Bonobos includes interviews with field workers and relies on the studies by Takayoshi Kano, the only scientist to have worked for two decades with wild Bonobos.[27] New studies in Africa by Gottfried Hohmann, a research associate at the Max Planck Institute for Evolutionary Anthropology of Leipzig, Germany, believes to have seen significant violence, but fact remains that there are thus far no documented cases of lethal aggression among Bonobos, in sharp contrast to the evidence for Common Chimpanzees.[28]
Gay sex for peace, brothers and sisters, gay sex for peace.
*wikipedia, no artigo sobre Bonobos
terça-feira, 21 de outubro de 2008
Aprendendo com os bonobos
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