The main signs of a bat infestation are piles of rice grain-sized droppings and dark urine stains. Ammonia smells, scratching and squeaking at night, or bats around your yard are also common signs.

Your garden can benefit from the excretory droppings of bats, known as guano, which helps enrich your soil by providing carbon and energy to support helpful microbes. These microbes play a key role in ...