WASHINGTON — Prairie dogs are the Paul Reveres of the Great Plains: They bark to alert neighbors to the presence of predators, with separate calls for dangers coming by land or by air. “Prairie dogs ...

If you ever have walked across a Nebraska prairie and noticed small dirt mounds dotting the landscape, heads popping from burrows and sharp barking, you likely have wandered into a prairie dog town.

WASHINGTON (AP) — Prairie dogs are the Paul Reveres of the Great Plains: They bark to alert neighbors to the presence of predators, with separate calls for dangers coming by land or by air. “Prairie ...