1. University of Southern Queensland, Institute for Agriculture and the Environment, Toowoomba, Australia
2. Vertebrate Pest Research Unit, New South Wales Department of Primary Industries, Orange, Australia
3. University of New England, School of Environmental and Rural Science, Armidale, Australia
4. Vertebrate Pest Research Unit, New South Wales Department of Primary Industries, Coffs Harbour, Australia
5. University of Auckland, School of Biological Sciences, Auckland, New Zealand