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United States: As Climate Warms, A Shifting Landscape for Wildlife

Yale Environment 360: On the Dalton Highway south of Deadhorse, on Alaska’s North Slope, two of my colleagues from the Wilderness Society and I encountered a small herd of muskox. These beasts are the quintessential resident land mammal up here, and a true relic of the Pleistocene. They look like a shag carpet that has been tossed onto a Volkswagen bug, with horns replacing the front bumper. At this time of year, they are molting yards of wool, or qiviut, as their winter coat gives way to a cooler summer dress. The...