1 INTRODUCTION Global electric generation from wind energy has the potential to mitigate carbon dioxide emissions.1, 2 However, with the expansion of wind power plants, bat fatalities due to collisions with turbine blades are a growing concern.3-6 In fact, in North America, bat carcasses have been found at wind turbine facilities wherever data are available.7, 8 Several studies9-11 have estimated large number of bat fatalities annually due to bats colliding with rotating turbine blades in...