Before oil was found in Texas, the state’s largest mineral export was bat guano. One hundred pounds of bat guano could be turned into four pounds of saltpeter, a key ingredient in gunpowder. During the American Civil War, more than 2,500 pounds of bat guano were shoveled out of Texas caves every day.

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5 Surprising Facts About Bats

Here are five facts that will change the way you think about bats. list, animals, bats, flying, mammals, facts, interesting, weird, shocking, surprising, guano Bats are usually divided into two suborders: Megachiroptera (large Old World fruit bats) and Microchiroptera (small bats found worldwide).