314 U.S. Bird Species Threatened — Many with Extinction — by Global Warming
10,000 Birds
SEPTEMBER 10, 2014
Here’s how that looks on a map: Scientists have long understood that climatic conditions, including temperature, precipitation, and seasonal changes, define species’ ability to exist in specific geographic locations. Butchart is head of science at BirdLife International and chairs the IUCN Red List Technical Working Group.
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