Field workers spread locally-sourced bat guano fertilizer on biodynamically grown marijuana plants at the SPARC cannabis farm in Glen Ellen, Calif. on Friday, July 14, 2017. Erich Pearson's expansive ...

Two men from New York died from pneumonia they contracted from bat feces — after they used the excrement as fertilizer to grow marijuana, a new study found. The unidentified men from Rochester, ages ...

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 ...

Dear L.L.: The answer is poop. Bat poop, specifically. While bats may be disease-carrying flying rats with poor eyesight, their excrement is like the superpoop of the animal-poop world. Not only can ...

Bat poop—yes, bat poop—is far more fascinating than you might think. You probably don’t give it much thought (unless it’s in your attic), but believe it or not, bat droppings have shaped history, ...