article_snippet: It is sometimes necessary for men wanting to attract the opposite sex to come out of men shell.
article_snippet: Yet it seems that by often choosing the bolder males, women may be missing out on the best possible mate.
article_snippet: It is an unusual approach in the animal kingdom, where the boldest, bravest and strongest usually win the right to mate.
article_snippet: Indeed, in many species males have to prove males physical fitness with bold and dramatic displays - like in peacocks and birds of paradise - and even mortal combat in some cases.
highlights_snippet: It contrasts with many species where bold displays tend to attract mates .
  
highlights_snippet: Males in other species must prove Males in other species fitness by fighting or showing off .
  