Acknowledgements
We would like to thank Sam Pratt (Virginia Tech), and Russell Warburton, Wayne Morris and Dean Frendon (James Cook University) for their help with development of the camera software and hardware. Furthermore, we like to thank Amendra Perera (James Cook University) for access to the workshop and equipment to build the concrete shelters. We also like to thank the many volunteers who participated in fieldwork. This research was conducted under James Cook University animal ethics approval A2857 and Queensland Government scientific research permits WA0046995 and P-PTUKI-100306983-1.