一个由屁股引发的全民大调查

参考文献（下滑查看）：

https://doi.org/10.1242/jeb.00989

https://www.pbs.org/wnet/nature/mask-of-the-mandrill-introduction/2351/

https://www.researchgate.net/publication/301452651_Detecting_and_Tracking_Bottoms_and_Faces_of_the_Crested_Black_Macaque_in_the_Wild

https://doi.org/10.1002/jmor.21356

https://en.wikipedia.org/wiki/Solenodon

https://www.newsweek.com/moths-weird-inflatable-butt-going-viral-it-has-real-purpose-693183

https://www.wired.com/2013/12/this-is-not-a-penis/

https://m.thepaper.cn/newsDetail_forward_10657854

https://www.nature.com/articles/srep12072

https://science.thewire.in/the-sciences/meet-the-warty-comb-jelly-the-only-animal-with-a-disappearing-anus/

脚本 | 鱼鱼

绘制 | 花花花ll

微信编辑 | 未末

图源 | 图虫图库、creepyanimals、Miguel Landestoy、Buck Richardson、smithsonianmag、Marco Faasse