On 23 April 2011 21:43, Don Ohmes <d_ohmes@yahoo.com> wrote: > On 4/23/2011 3:56 PM, Jason Brougham wrote: >> > > In the cases of species recognition, threat display, and etc., sexual > dimorphism may not be an issue, but it is in sexual display. Can dimorphism > be ruled out (or in) w/ confidence? > That's a good point.