The pool was stagnant, and emerald green with algae, mottled dark where the tree branches bent low over the surface and cast shadows. Frogs called out in steady chorus, their rhythmic peeping becoming a drone, melting into the background itself so that, if a bystander heard anything at all, it would be the sound of the frogs going silent. But they wouldn't (go silent, that is), because even if a member of the group, having been spooked by a desperately thirsty fox, jumped int