The 1,300 Bird Species Facing Extinction Signal Threats to Human Health September 5, 2014Stuff - interesting uncategorised, Sustainable Back Yardbackyardfarmernz http://news.nationalgeographic.com/news/2014/08/140825-bird-environment-chemical-contaminant-climate-change-science-winged-warning/?utm_medium=referral&utm_source=pulsenews Share this:TwitterTumblrFacebookPinterestEmailLike this:Like Loading...