At dawn on a brutally cold January morning, Joel Berger crouched in the icy grandeur of the Teton Range. It had been three years since wolves were reintroduced to Yellowstone after a sixty-year absence, and members of a wolf pack were approaching a herd of elk. To Berger's utter shock, the elk ignored the wolves as they went in for the kill. The brutal attack that followed--swift and bloody--led Berger to hypothesize that after only six decades, the...
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Animals Biological Sciences Biology Biology & Life Sciences Fauna Nature Nature & Ecology Zoology