Tuesday 10 July 2012

Classic study of animal sexuality challenges our traditional values



Peacock

The idea that animal evolution is shaped by males boasting and fighting to win female favour is a central biological dogma.


Females pick males whose exaggerated traits suggest virility, thus producing peacock feathers and sage grouse struts. Males compete for female favour, hence a stag's antlers and fights for territorial domination. These are the main engines of sexual selection, the default explanation for differences between the sexes.


By: Brandon Keim, Edited by: Ian Steadman


Continue reading...



via Wired.co.uk



http://www.wired.co.uk/news/archive/2012-07/10/sexual-values-challenged

No comments:

Post a Comment