Add Yahoo as a preferred source to see more of our stories on Google. The main signs of a bat infestation are piles of rice grain-sized droppings and dark urine stains. Ammonia smells, scratching and ...

Bat droppings and bat urine do, of course, make their presence known before very long. Not only are the odors impossible to live with, but they also have a way of drawing in more bats, potentially ...