Report Reveals One-Third of US Birds are Endangered [video, report]
source: http://scienceblogs.com/grrlscientist/2009/03/the_state_of_americas_birds_20.php
According to an US Fish and Wildlife report that was released yesterday, nearly one third of America's 800 native bird species are endangered, threatened, or in significant decline due to habitat loss, invasive species, and other threats. Includes video, graphs and links to the original report, for free download.