Winifred F. Frick is Chief Scientist at Bat Conservation International and Adjunct Professor in the Department of Ecology and Evolutionary Biology at the University of California, Santa Cruz. M. Teague O'Mara is Director of Conservation Evidence at Bat Conservation International, Research Associate at the Smithsonian Tropical Research Institute and the Max Planck Institute of Animal Behavior, and Adjunct Professor in the Department of Biological Sciences at Southeastern Louisiana University.