Scientists and researchers from Queensland University and from Queensland University of Technology are trying to learn more about koalas' breeding habits by listening to the animals' bellows. Mobile phones and GPS collars are being used. This study was reported by National Geographic. The brief news clip with male koala vocalisations is available here.
Meanwhile concerned citizens fear for the long term survival of koalas in their natural environment. Debbie Tabart from the Australian Koala Fountation is featured on this video advocating for a National Koala Plan.