Fellatio by Fruit Bats Prolongs Copulation Time

Tan M, Jones G, Zhu G, Ye J, Hong T, et al. (2009) Fellatio by Fruit Bats Prolongs Copulation Time. PLoS ONE 4(10): e7595. doi:10.1371/journal.pone.0007595

http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0007595

嗯，這篇2009年發表在PLoS ONE的曠世巨作說：蝙蝠口交的行為能延長交配時間。

The Adaptive Function of Masturbation in a Promiscuous African Ground Squirrel

Waterman JM (2010) The Adaptive Function of Masturbation in a Promiscuous African Ground Squirrel. PLoS ONE 5(9): e13060. doi:10.1371/journal.pone.0013060

http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0013060

2010年該來的還是要來，這篇同樣是在PLoS ONE發表的經典作品說：松鼠打槍是為了避免傳染到性病。

很MAN吧!科科...