By Anita Miller

The city of Dripping Springs wants you to know that some fly-by-night operators are coming to town.

But instead of turning out to welcome them or worse, alerting the authorities, what’s being asked of city residents is simple — turn off outside lights.

That’s because the visitors, who are expected to be arriving throughout October, are winging their way. Migratory birds from hummingbirds and warblers to sparrows and geese, annually travel hundreds to thousands of m...