Dr. Joe Szewczak's research has investigated the physiological capabilities of bats and other small mammals from cold torpor in hibernation to the intense demands of flight and high altitude, and the physiological ecology of bats. His teaching includes “The Biology of the Chiroptera” at HSU, “The Ecology and Conservation of CA Bats” through San Francisco State Univ., and he has also taught bay acoustic monitoring workshops for the UniV. of CA, Bat Conservation International, and for other groups throughout the US and abroad. He began collecting recordings of bats 20 years ago with the notion that they may someday prove useful for identifying bats, and dissatisfied with available acoustic software, he developed SonoBat to facilitate the specialized tasks of viewing, analyzing, and comparing bat echolocation calls and sequences for non-invasive species recognition. He is also developing and testing methods to deter bats from approaching wind turbines with the Bats and Wind Energy Cooperative, Bat Conservation International, and the Electric Power Research Institute.