SHREVEPORT, La. — Caddo Parish leaders sounded an alarm this week over what they describe as a rapidly worsening wild hog invasion now impacting neighborhoods from one end of the parish to the other.

Here’s the thing about wild hogs in the U.S.: they aren’t just a nuisance. These invasive animals tear up crops, pastureland, and sensitive habitats, and they’ve spread into dozens of states with real ...