US national park officials issue warning after seemingly innocuous activity has disturbing outcome: 'It can be deadly'

US national park officials issue warning after seemingly innocuous activity has disturbing outcome: 'It can be deadly'

Officials from Great Smoky Mountains National Park proclaimed in September that a vulnerable species of wild salamander had been found crushed to death.  They blamed the activity known as "rock-stacking," as an Instagram post from Backpacker Magazine spotlighted. View this post on Instagram A post shared by Backpacker Magazine (@backpackermag) "Recently, an eastern hellbender, the largest salamander in North America, was found crushed beneath ro…