In the Early 1900s, a Young Ecologist Shot a Wolf and Watched the Life Leave Its Eyes. That Changed His Position on Conservation

From SmithsonianMag.com:

One day in the early 20th century, in eastern Arizona, a forester—“full of trigger itch,” as he later wrote—leaned over a rimrock ledge, readied his rifle, and shot a wolf.  This was hardly unusual: Wolves and other carnivores were mammalia non grata, persecuted for their perceived crimes against livestock and deer.

“In those days, we had never heard of passing up a chance to kill a wolf,” the forester, Aldo Leopold, would recall decades later. More surprising was what followed: remorse.

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