On Fri, Jul 12, 2013 at 02:51:22PM -0700, Mike Habib wrote: > > On Jul 12, 2013, at 2:31 PM, Ruben Safir <ruben@mrbrklyn.com> wrote: > > > Also, for almost all birds, at breeding season, the beaks turn color > > but to imply beaks evoloved for dispaly makes as much sense as flight > > feathers. > > This argument makes no sense to me. I know