ACKNOWLEDGEMENTS
This work was funded by the Australian Research Council though Linkage Grant LP160100482 with Partner Organizations Department of Environment, Land, Water and Planning (DELWP, Victoria), Diversity Arrays Technology, Zoos Victoria, Environment, Planning & Sustainable Development Directorate (ACT Government), and Department of Biodiversity, Conservation and Attractions (Western Australia), and Discovery Project Grants DP180102359 and DP210102275. Additional support was provided by Zoos Victoria, the Faculty of Science (Monash University), and Holsworth Wildlife Research Endowment (Ecological Society of Australia). Alexandra Pavlova was supported by the Catalyst Science Fund from Revive & Restore. Lana Austin was supported by an Australian Government Research Training Program (RTP) Scholarship. We thank Bruce Quin, Friends of the Helmeted Honeyeater, Jessica Zhou, Pete Collins, Thomas Richard, Anna Polesskiy, Alice Sunnucks and numerous volunteers for assistance collecting and processing genetic samples and field data. We also thank Blair Venn and Bendigo City Council for access to Crusoe Reservoir. Computational resources were provided by the Monash eResearch Centre (MeRC) and Monash eSolutions-Research Support Services through the use of the MonARCH and MASSIVE HPC Clusters. Special thanks to Gabriel W. Low for discussion on the rationale of the functions.