PBS - Evolution: "Why Sex?" [Chimps vs. Bonobos]
Fellow homo sapiens, meet one of our closest living relatives: the bonobos. They may share Bonobos, along with chimpanzees, are the closest primates to humans and only found in a remote forest bank along the Congo River in the Democratic Republic of Congo. Usually there's no orgasm culminating these activities," said David Quammen in an essay for the magazine. But their creative "bedroom" antics are for more than mating purposes. It's part of their normal social interaction that helps maintain their female-run society.
Although they are relatively the same height, bonobos generally leaner, have smaller heads, and longer legs. On a mobile device?
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Click here to watch the video. Skip to content. Bonobos are known for their creative sexual behavior that goes beyond mating purposes.
Christian Ziegler for National G. What makes them unique from chimps is their sexual activity. Bonobos share a junglesop fruit - a delectable snack for both bonobos and humans. Christian Ziegler. While men often prize youthful partners, male chimps prefer older females. These experienced females have the most sex, but most females do mate with several males in the community, and sometimes with males in other communities.
Subordinate males often like to mate in secret, out of the alpha male's sight.
Mar 15, Animal Sex: How Chimps Do It. If a female chimp is interested in a male, she'll put her swollen bottom right up in his face. the skin around her genitals becomes pink and swollen - a. Nov 13, The study's findings may provide fodder for a long-standing debate in evolutionary biology about whether rape and sexual aggression are evolutionarily advantageous in . DISCLAIMER: lizajdyer.com works on a highly restrictive policy regarding illegal pornography! The site has no property nor produces any of the displayed videos. All of the video content available on our website are hosted by a 3rd party.
If an alpha male catches a coital couple, he may execute a "bluff display," where he charges at the pair, Darby Proctor, a primatologist at Emory University, told LiveScience. But his aggression is wasted. A few seconds after a male mounts a female from behind, the deed is already done.
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This occasional LiveScience series explores how animals mate. Japanese primatologists observing bonobos in Zaire were the first to notice that when bonobos come across a large fruiting tree or encounter piles of provisioned sugarcane, the sight of food triggers a binge of sex.
The atmosphere of this sexual free-for-all is decidedly friendly, and it eventually calms the group down. But it's tension rather than food that causes the sexual excitement.
You can throw in a cardboard box and you'll get sexual behavior. Sex makes them feel good and therefore keeps the group together.
Sexual behavior also occurs after aggressive encounters, especially among males. After two males fight, one may reconcile with his opponent by presenting his rump and backing up against the other's testicles.
He might grab the penis of the other male and stroke it. It's the male bonobo's way of shaking hands and letting everyone know that the conflict has ended amicably.
Researchers also note that female bonobo sexuality, like the sexuality of female humans, isn't locked into a monthly cycle. In most other animals, including chimps, the female's interest in sex is tied to her ovulation cycle. Chimp females sport pink swellings on their hind ends for about two weeks, signaling their fertility, and they're only approachable for sex during that time.
That's not the case with humans, who show no outward signs that they are ovulating, and who can mate at all phases of the cycle. Female bonobos take the reverse tack, but with similar results. Their large swellings are visible for weeks before and after their fertile periods, and there is never any discernibly wrong time to mate.
Like humans, they have sex whether or not they are ovulating. What's fascinating is that female bonobos use this boundless sexuality in all their relationships.
A genital-genital rub, better known as GG-rubbing by observers, is the most frequent behavior used by bonobo females to reinforce social ties or relieve tension. GG-rubbing takes a variety of forms. Often one female rolls on her back and extends her arms and legs. The other female mounts her and they rub their swellings right and left for several seconds, massaging their clitorises against each other. GG-rubbing occurs in the presence of food because food causes tension and excitement, but the intimate contact has the effect of making close friends.
Sometimes females would rather GG-rub with each other than copulate with a male. Parish filmed a minute scene at a bonobo colony at the San Diego Wild Animal Park in which a male, Vernon, repeatedly solicited two females, Lisa and Loretta. Again and again he arched his back and displayed his erect penis-the bonobo request for sex.
The females moved away from him, tactfully turning him down until they crept behind a tree and GG-rubbed with each other. Unlike most primate species, in which males usually take on the dangerous task of leaving home, among bonobos females are the ones who leave the group when they reach sexual maturity, around the age of eight, and work their way into unfamiliar groups. To aid in their assimilation into a new community, the female bonobos make good use of their endless sexual favors.
While watching a bonobo group at a feeding tree, White saw a young female systematically have sex with each member before feeding.
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Once inside the new group, a female bonobo must build a sisterhood from scratch. In groups of humans or chimps, unrelated females construct friendships through the rituals of shopping together or grooming.
Bonobos do it sexually. Although pleasure may be the motivation behind a female-female assignation, the function is to form an alliance.
These alliances are serious business, because they determine the pecking order at food sites. Females with powerful friends eat first, and subordinate females may not get any food at all if the resource is small.
Chimp sexual play
When times are rough, then, it pays to have close female friends. White describes a scene at Lomako in which an adolescent female, Blanche, benefited from her established friendship with Freda.
It was a small tree, heavily in fruit with one of their favorites.
Freda went straight up the tree and made a food call to Blanche. Blanche came tearing over-she was quite far away-and went tearing up the tree to join Freda, and they GG-rubbed like crazy.
Alliances also give females leverage over larger, stronger males who otherwise would push them around. Females have discovered there is strength in numbers. Unlike other species of primates, such as chimpanzees or baboons or, all too often, humanswhere tensions run high between males and females, bonobo females are not afraid of males, and the sexes mingle peacefully. The vast majority are mixed, so there are males and females of all different ages.
Sex and Fruit: The Sweet Life of Bonobos - Nat Geo Live
Female bonobos cannot be coerced into anything, including sex. For a long time she lay on the grass with a huge swelling. Akili would approach her with a big erection and hover over her. It would have been easy for him to do a mount. But he wouldn't.
He just kept trying to catch her eye, hovering around her, and she would scoot around the ground, avoiding him. And then he'd try again. She went around full circle.
On the ground, moving from fruit tree to fruit tree, bonobos often stand and walk on two legs-behavior that makes them seem more like humans than chimps. In some ways their sexual behavior seems more human as well, suggesting that in the sexual arena, at least, Author: Meredith F. Small. Feb 25, "Whereas the chimpanzee shows little variation in the sexual act, To that list of benefits we might also add sheer pleasure and (for the juveniles) instructional play. Varied and frequent and. Jan 04, A Glimpse Into the Sexual Lives of Chimpanzees. Brittany Fallon is a PhD candidate at the Universit de Neuchtel who works on the Sonso chimpanzee community of the Budongo Forest Reserve in lizajdyer.com: Felicity Muth.
Yet he refrained.