![Amy W Schwartz on Twitter: "Didn't ever think I'd spend a Sunday morning carefully suspending an otter penis bone from a wire, but here I am https://t.co/7vkR3u189a" / Twitter Amy W Schwartz on Twitter: "Didn't ever think I'd spend a Sunday morning carefully suspending an otter penis bone from a wire, but here I am https://t.co/7vkR3u189a" / Twitter](https://pbs.twimg.com/media/EFFEILkXYAEQYYw.jpg)
Amy W Schwartz on Twitter: "Didn't ever think I'd spend a Sunday morning carefully suspending an otter penis bone from a wire, but here I am https://t.co/7vkR3u189a" / Twitter
![Humans have no penis bone because sex doesn't last long enough, scientists discover | The Independent | The Independent Humans have no penis bone because sex doesn't last long enough, scientists discover | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2016/12/14/09/pelvis.jpg?width=1200&height=630&fit=crop)
Humans have no penis bone because sex doesn't last long enough, scientists discover | The Independent | The Independent
![Men DID have a penis bone - but lost it 1.9million years ago because sex lasted just 2mins | Science | News | Express.co.uk Men DID have a penis bone - but lost it 1.9million years ago because sex lasted just 2mins | Science | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/151/750x445/743898.jpg)
Men DID have a penis bone - but lost it 1.9million years ago because sex lasted just 2mins | Science | News | Express.co.uk
![The penis of ostrich (a-c) and emu (d-f). The ostrich penis protrudes... | Download Scientific Diagram The penis of ostrich (a-c) and emu (d-f). The ostrich penis protrudes... | Download Scientific Diagram](https://www.researchgate.net/publication/235934840/figure/fig1/AS:670015875452931@1536755641195/The-penis-of-ostrich-a-c-and-emu-d-f-The-ostrich-penis-protrudes-from-the-cloaca.png)