http://www.wqed.org/birdblog/2009/01/18/keeping-the-airways-safe/ A Bird Blog with Kate St. John Sat, 18 May 2013 21:53:18 +0000 hourly 1 http://www.wqed.org/birdblog/2009/01/18/keeping-the-airways-safe/comment-page-1/#comment-6045 Kallen Mon, 19 Jan 2009 12:06:18 +0000 http://www.wqed.org/birdblog/?p=2496#comment-6045 Very interesting information. I had no idea that the airports were using these tactics.

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