Why the Human Penis is Larger than in the Great Apes

  title={Why the Human Penis is Larger than in the Great Apes},
  author={Edwin A Bowman},
  journal={Archives of Sexual Behavior},
  • Edwin A Bowman
  • Published 1 June 2008
  • Medicine
  • Archives of Sexual Behavior
In Diamond’s (1997) book Why is Sex Fun? The Evolution of Human Sexuality, he draws attention to the fact that, as yet, no one has come up with a satisfactory explanation as to why the human penis is comparatively larger than that of the other great apes. Consider the following briefly outlined argument. It is generally accepted that the human female bony pelvis enlarged over millions of years as an adaptation to the increasing size of the newborn infant’s brain case. However, to my knowledge… 
Sexual selection and the evolution of behavior, morphology, neuroanatomy and genes in humans and other primates
Sexual Selection and the Origins of Human Mating Systems
Dixson marshals a wealth of comparative morphological, physiological, and cellular data to forward his argument that sperm competition has not shaped the human body and, as such, was not a selective force duringhumanevolution.
Studying Genital Coevolution to Understand Intromittent Organ Morphology.
  • P. Brennan
  • Biology
    Integrative and comparative biology
  • 2016
The most direct mechanical interaction between males and females occurs during copulation, and therefore, genital coevolution is expected to be widespread, which means that diversification of male structures must influence diversity of female genital features and vice versa.