The animal world is full of harbingers of doom—at least, according to superstitions. From the Tower of London’s ravens (whose departure would signal the fall of an entire nation) to the average black cat crossing your unlucky path, plenty of critters warn of woe. In Ominous Animals, we explore the lore—and the science—behind these finned, furry, and feathered messengers of impending calamity. A tiny spotted feline, often smaller than the average house cat, with a bushy tail and big eyes, moves through temperate forest and farmland in southern Chile. Despite…