Bat-proof your home to protect yourself and our winged friends. Does the sight of a bat send shivers down your spine? Or are you thrilled knowing that a single brown bat, one the most common bat species in North America, devours 1,200 insects an hour? Hopefully, you’re in the second category. Be a bat lover! Bats get a bad rap. Not one of them has ever actually been found to be Dracula. And our only flying mammals eat so many insects that they’re essential to controlling the