http://www.reuters.com/article/environmentNews/idUSN2753421920071128WASHINGTON (Reuters) - More than a quarter of all U.S. bird species are vulnerable to extinction, according to a comprehensive list compiled by two conservation groups released on Wednesday. Global warming may be partially to blame.
The new WatchList 2007, compiled by the National Audubon Society and the American Bird Conservancy, found 178 species in the continental United States and 39 in Hawaii in danger.
Of those, 98 are on the "red list" of greatest concern, and 119 in the "yellow" category, indicating their numbers are seriously declining or the species is rare.
Global warming, the loss of habitat due to urban and suburban sprawl and the current U.S. administration's policies on endangered species are all to blame, a co-author of the list said in a telephone interview.
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