Brad Law is a Principal Research Scientist at NSW Primary Industries and an adjunct fellow at Queensland University of Technology. He has > 30 years experience as a wildlife ecologist, with a particular focus on forests. He has worked on a range of wildlife species, and is passionate about collecting data on and understanding long-term trends of Australia's unique biodiversity. Acoustic methods for detecting wildlife are one of the many methods that Brad uses and is developing for his ecological studies. Bats and more recently koalas have been a major focus.