At dusk, a Common Noctule silently bursts from a hollow tree, its wings slicing through the evening air. This is one of Europe’s largest bats, perfectly adapted for high-speed twilight flight.

Wisconsin had over 15,000 bats counted by community scientists, offering hope for populations affected by white-nose syndrome.

There is everything from garden paths with manicured surroundings to more wild routes with some elevation changes. There are ...