1 Forest Ecology and Conservation Lab, Department of Life Sciences, Imperial College London, Ascot, SL5 7PY, UK. York Institute for Tropical Ecosystems, Environment Department, University of York, York, YO10 5DD, UK. m.pfeifer@imperial.ac.uk.
2 Department of Ecology, Evolution and Behavior, University of Minnesota, St. Paul, MN 55108, USA.
3 Alberta Innovates Technology Futures, Victoria, BC V8Z 7X8, Canada. Department of Biology, University of Victoria, Victoria, BC V8W 2Y2, Canada.
4 Research Institute for the Environment and Livelihoods, Charles Darwin University, Darwin, NT 0909, Australia.
5 Wildlife Conservation Research Unit, Department of Zoology, Oxford University, Oxford, OX13 5QL, UK.
6 Department of Wildland Resources, Utah State University, Logan, UT 84322, USA.
7 York Institute for Tropical Ecosystems, Environment Department, University of York, York, YO10 5DD, UK.