Fellatio by Fruit Bats Prolongs Copulation Time

Min Tan; Gareth Jones; Guangjian Zhu; Jianping Ye; Tiyu Hong; Shanyi Zhou; Shuyi Zhang; Libiao Zhang

doi:10.1371/journal.pone.0007595

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Open Access

Peer-reviewed

Research Article

Fellatio by Fruit Bats Prolongs Copulation Time

Min Tan,

Affiliations Guangdong Entomological Institute, Guangzhou, China, College of Life Sciences, Guangxi Normal University, Guilin, China
⨯
Gareth Jones,

Affiliation School of Biological Sciences, University of Bristol, Bristol, United Kingdom
⨯
Guangjian Zhu,

Affiliation Guangdong Entomological Institute, Guangzhou, China
⨯
Jianping Ye,

Affiliations Guangdong Entomological Institute, Guangzhou, China, College of Life Sciences, Guangxi Normal University, Guilin, China
⨯
Tiyu Hong,

Affiliations Guangdong Entomological Institute, Guangzhou, China, College of Life Sciences, Guangxi Normal University, Guilin, China
⨯
Shanyi Zhou,

Affiliation College of Life Sciences, Guangxi Normal University, Guilin, China
⨯
Shuyi Zhang,

Affiliation School of Life Sciences, East China Normal University, Shanghai, China
⨯
Libiao Zhang

* E-mail: zhanglb@gdei.gd.cn

Affiliation Guangdong Entomological Institute, Guangzhou, China
⨯

Fellatio by Fruit Bats Prolongs Copulation Time

Min Tan,
Gareth Jones,
Guangjian Zhu,
Jianping Ye,
Tiyu Hong,
Shanyi Zhou,
Shuyi Zhang,
Libiao Zhang

Published: October 28, 2009
https://doi.org/10.1371/journal.pone.0007595

Reader Comments

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correlation is not causation

Posted by ruman on 05 Aug 2010 at 23:16 GMT

Importantly we show that fellatio increases the duration of copulation.
http://plosone.org/article/info:doi/10.1371/journal.pone.0007595#article1.body1.sec4.p5

the authors have only shown that there is a correlation between fellatio and the duration of copulation

isn't it possible that it works the other way? maybe fellatio is the result of longer-duration copulation and not the cause.

for example, perhaps longer-duration copulation causes discomfort, and the female is reacting to that discomfort by providing additional lubrication.

Competing interests declared: i am employed by the public library of science in a non-editorial capacity.

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Fellatio by Fruit Bats Prolongs Copulation Time

Fellatio by Fruit Bats Prolongs Copulation Time

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correlation is not causation

Posted by ruman on 05 Aug 2010 at 23:16 GMT