News Life Shorter-winged swallows evolve around highways In survey along Nebraska roads, number of birds killed by cars has plummeted over 30 years Share this:EmailFacebookTwitterPocketRedditPrint By Meghan Rosen March 18, 2013 at 12:48 pm This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access our archives. Client key* E-mail* Log in Not a subscriber? Science News is a nonprofit. Support us by subscribing now. Subscribe