Climate Change Threatens 314 North American Bird Species

More than 300 North American bird species are threatened in the U.S. and Canada by climate change. That's the conclusion of a new study published by National Audubon Society. Observers say many birds not previously thought to be endangered are on their list of 314 threatened species, including the iconic Bald Eagle. Researchers analyzed 30 years of North American climate data and thousands of official  bird observations over the decades, looking for links between where birds...

© La Voix de l'Amérique - mardi 9 septembre 2014