![Complex patterns of signalling to convey different social goals of sex in bonobos, Pan paniscus | Scientific Reports Complex patterns of signalling to convey different social goals of sex in bonobos, Pan paniscus | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fsrep16135/MediaObjects/41598_2015_Article_BFsrep16135_Fig1_HTML.jpg)
Complex patterns of signalling to convey different social goals of sex in bonobos, Pan paniscus | Scientific Reports
![Why humans have larger penises and smaller testicles than other great apes - Genetic Literacy Project Why humans have larger penises and smaller testicles than other great apes - Genetic Literacy Project](https://geneticliteracyproject.org/wp-content/uploads/elementor/thumbs/Screen-Shot-2017-04-17-at-1.21.55-PM-pe527z18e7zoulbewnuidwvzlmxqwmey7gpjve01yc.png)
Why humans have larger penises and smaller testicles than other great apes - Genetic Literacy Project
![Male bonobos that have had a fight sometimes perform genital-to-genital touching, known as "penis fencing", as a way of reducing tension. : r/Awwducational Male bonobos that have had a fight sometimes perform genital-to-genital touching, known as "penis fencing", as a way of reducing tension. : r/Awwducational](https://external-preview.redd.it/rjhqYExfNPw5Vv0pYPxmiL1fPWSVOrzvX8NnTiXwStU.jpg?auto=webp&s=df9bc0a6b48b9e776848f2f7e8e88ea469f13094)
Male bonobos that have had a fight sometimes perform genital-to-genital touching, known as "penis fencing", as a way of reducing tension. : r/Awwducational
![Stock photo of Chimpanzee dominant male with erect penis, female watching Zambia {Pan.... Available for sale on www.naturepl.com Stock photo of Chimpanzee dominant male with erect penis, female watching Zambia {Pan.... Available for sale on www.naturepl.com](https://www.naturepl.com/cache/pcache2/01068929.jpg)
Stock photo of Chimpanzee dominant male with erect penis, female watching Zambia {Pan.... Available for sale on www.naturepl.com
![Bonobos, a primate close to humans, is highly sexed and uses sexuality as a means of maintaining social order – New York Daily News Bonobos, a primate close to humans, is highly sexed and uses sexuality as a means of maintaining social order – New York Daily News](https://arc-anglerfish-arc2-prod-tronc.s3.amazonaws.com/public/CS3ALJ5HRIF264XQ2EHZHQUOHU.jpg)
Bonobos, a primate close to humans, is highly sexed and uses sexuality as a means of maintaining social order – New York Daily News
![Chimps, bonobos, and the evidence that humans are naturally polygamous | by The Gift Of Fire | Medium Chimps, bonobos, and the evidence that humans are naturally polygamous | by The Gift Of Fire | Medium](https://miro.medium.com/v2/resize:fit:883/1*IrINGo5mPOJ3v584WsD8eQ.jpeg)
Chimps, bonobos, and the evidence that humans are naturally polygamous | by The Gift Of Fire | Medium
![Zanna Clay on Twitter: "Overall, an impressive sculpture & piece of great ape art, but check out his teeeeny tiny penis! Bonobos actually have some of the longest penises of all primates- Zanna Clay on Twitter: "Overall, an impressive sculpture & piece of great ape art, but check out his teeeeny tiny penis! Bonobos actually have some of the longest penises of all primates-](https://pbs.twimg.com/media/Ebr-PQxXQAceDUn.jpg)
Zanna Clay on Twitter: "Overall, an impressive sculpture & piece of great ape art, but check out his teeeeny tiny penis! Bonobos actually have some of the longest penises of all primates-
![Mature male Bonobo or (formerly) Pygmy Chimpanzee (Pan Paniscus) in a natural setting, showing an erect penis while eating Stock Photo - Alamy Mature male Bonobo or (formerly) Pygmy Chimpanzee (Pan Paniscus) in a natural setting, showing an erect penis while eating Stock Photo - Alamy](https://c8.alamy.com/comp/E54XFM/mature-male-bonobo-or-formerly-pygmy-chimpanzee-pan-paniscus-in-a-E54XFM.jpg)