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.

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Buried deep within caves, bats — and especially their ...

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 ...