1. Centre for Biodiversity & Environment Research, University College London, London, United Kingdom
2. Institute of Zoology, Zoological Society of London, London, United Kingdom
3. Centre for Applied Conservation Science, and School of Biological Sciences, University of Adelaide, Adelaide, South Australia, Australia
4. Department of Ecology, Evolution and Natural Resources, Rutgers University, New Brunswick, NJ, USA
5. Institute for Applied Ecology, University of Canberra, Canberra, ACT, Australia