National Public Radio: Feral hogs in Great Smoky Mountains National Park are an invasive and hugely destructive species. Courtesy of Bill Lea hide caption
toggle caption Courtesy of Bill Lea
Feral hogs in Great Smoky Mountains National Park are an invasive and hugely destructive species.
Courtesy of Bill Lea
Andrew Herrington slips on a battered green backpack, stashes a .308 bolt-action rifle under his arm and steps off a boat onto the steep, rocky shores of Great Smoky Mountains National Park.
"It's about...