Female and male plumage colour signals aggression in a dichromatic tropical songbird

Grants

Funding Acknowledgements

We are grateful to R. Shepperd, P. Chaon, G. Marini, Z. Zelazny, L. Nelson and I. Mestre for field assistance and scoring videos over the 2015 and 2016 seasons and B. Venables for his support during field work. We thank M. Elgar for the spectrophotometer and useful feedback on the project, O. Branquinho for helping with the figures, P. De Geest for providing bird photos, the Mulder Lab, K. Meyers and J. Macdonald for helpful discussions that improved this work, and I. Leitao and C. Funghi for comments on the manuscript. We also thank the editor and two anonymous referees for their suggestions on the manuscript. This research was supported by University of Melbourne, Cairns Airport and Cairns Council and grants from the Australia & Pacific Science Foundation (APSF1406), the Australian Research Council (DP150101652) and Birdlife Australia (2015).