"There's no sound quite like it, or as viscerally terrifying: the ominous rattle of the timber rattlesnake. It's a chilling shorthand for imminent danger, and a reminder of the countless ways that nature can suddenly snuff us out. Yet most of us have never seen a timber rattler. Though they're found in thirty-one states, and near many major cities, in contemporary America timber rattlesnakes are creatures mostly of imagination and innate fear. Ted...