News tagged with national park

Outwitting poachers with artificial intelligence

A century ago, more than 60,000 tigers roamed the wild. Today, the worldwide estimate has dwindled to around 3,200. Poaching is one of the main drivers of this precipitous drop. Whether killed for skins, medicine or trophy ...

dateApr 21, 2016 in Ecology
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Hot days can trigger Yosemite rockfalls

After more than three years of monitoring the towering granite cliffs of Yosemite National Park, scientists have new insights into a potentially important mechanism that can trigger rockfalls in the park. Although many conditions ...

dateMar 29, 2016 in Earth Sciences
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Bison coming 'home' to Montana Indian reservation

Descendants of a bison herd captured and sent to Canada more than a century ago will be relocated to a Montana American Indian reservation next month, in what tribal leaders bill as a homecoming for a species emblematic of ...

dateMar 28, 2016 in Ecology
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