314 U.S. Bird Species Threatened — Many with Extinction — by Global Warming
10,000 Birds
SEPTEMBER 10, 2014
Scientists all over the world are sounding the alarm about ecological disruptions already in motion, and birders in North America are already seeing changes in the distribution of species, from the 61 percent of bird species wintering farther north to expanding ranges of birds like Mississippi Kite and Great-tailed Grackle.
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