What does a wild boar do in thick undergrowth when no one is watching? How does a family of beavers prepare for winter? Is it true that the tail of a muskrat smells like lily of the valley? Nadezhda Pankova works and lives in the forest. Regularly— in summer, in bog boots, in winter, on skis—she patrols the territory, checks camera traps, and launches a quadcopter. Sometimes she even has to sit in a tree, coaxing a startled…