![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/EbsedZIXYAABxAn.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-
![Cracked.com on Twitter: "The human penis is big! 38 Real Size Comparisons That Will Make Your Head Explode - http://t.co/lDOdmUO1sX | http://t.co/elM9MhhPPZ" / Twitter Cracked.com on Twitter: "The human penis is big! 38 Real Size Comparisons That Will Make Your Head Explode - http://t.co/lDOdmUO1sX | http://t.co/elM9MhhPPZ" / Twitter](https://pbs.twimg.com/media/BjE330ICMAAzWJr.jpg)
Cracked.com on Twitter: "The human penis is big! 38 Real Size Comparisons That Will Make Your Head Explode - http://t.co/lDOdmUO1sX | http://t.co/elM9MhhPPZ" / Twitter
![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)
Mature male Bonobo or (formerly) Pygmy Chimpanzee (Pan Paniscus) in a natural setting, showing an erect penis while eating Stock Photo - Alamy
![A Japanese Macaque monkey playing with his penis by a hot spring in the Jigokudani Monkey Park in Nagano, Japan Stock Photo - Alamy A Japanese Macaque monkey playing with his penis by a hot spring in the Jigokudani Monkey Park in Nagano, Japan Stock Photo - Alamy](https://c8.alamy.com/comp/B73B5D/a-japanese-macaque-monkey-playing-with-his-penis-by-a-hot-spring-in-B73B5D.jpg)