My cousin the truck driver alerted me to this story. We both thought it was amazing that evolution could take place not over millennia but over a few decades. http://www.journaldemocrat.com/article/20130404/NEWS/130409962 Judy Kestner Corpus Christi Edit your Freelists account settings for TEXBIRDS at //www.freelists.org/list/texbirds Reposting of traffic from TEXBIRDS is prohibited without seeking permission from the List Owner