This may seem like it is not going anywhere, but here goes..

When I was about 12 my family visited Ft. Laramie, Wyoming (the fort itself, not the town) on a trip. While being given a tour the ranger stopped in the back of the officers quarters and I noticed at least 50 huge ant hills (might not be that many, but remember I was about 12). He asked if we knew why the ant hills were so massive in size? No one really gave the answer he was looking for. He then pulled out of his pocket a very soiled hankercheif and placed it next to one of the ant hills. Within seconds it was covered with ants. He then proceeded to tell us that was how they kept their uniforms clean, they kept their uniforms outside on the ant hills over night, as dry cleaners were not very plentiful at that time, ants loved to pick off the grime and junk off of cloth. Hey the ants were digging it. When he was finished with his talk, he picked up his hankie and shook it off, and put it back in his pocket.

Maybe his story had some merit, and not sure about the accuracy, but it does make a great sound bite.