One Third of US Birds Endangered, Threatened or in Decline, New Report Shows

Greater Prairie Chicken, photo: Teo via flickr The newly released 2009 State of the Birds report catalogues just how much pressure birds in the United States face. For the first time, data from a wide variety of sources has been pulled together and presented in an easy-to-read format. And the news is not so good: About one-third of US birds are endangered, threatened, or are in significant decline. Here's why:...