Hidden deep in the forests of Bolivia and Peru is a species so mysterious it has been dubbed the “ghost dog.” The short-eared dog (Atelocynus microtis) has been deemed one of the region’s least-known carnivores, if not one of the world’s least-known canids, period. After almost a quarter-century of work, researchers finally have gathered new data on this highly cryptic wild dog. Their results, published in the journal Neotropical Biology and Co…