Dunning, JamieSheard, CatherineEndler, John A.2025-06-132025-06-132025-04-09Dunning, J, Sheard, C & Endler, J A 2025, 'Viewing conditions predict evolutionary diversity in avian plumage colour', Proceedings of the Royal Society B: Biological Sciences, vol. 292, no. 2044, 20241728. https://doi.org/10.1098/rspb.2024.17280962-8452ORCID: /0000-0002-8259-1275/work/186084575https://hdl.handle.net/2164/25563Acknowledgements. The BirdColor ase was collated by Thanh-Lan Gluckman and J.E., later Peter O. Dunn. We thank Jessica K. Armenta, Kevin Burns, Gonçalo Cardoso, James Dale, Claire Doutrelant, Peter O. Dunn, Muir Eaton, Amélie Fargevieille, Doris Gomez, Rafael Maia, Richard Prum, Allison Shultz, Mary C. Stoddard, Linda A. Whittingham and their various research teams for their contributions to the BirdColorBase. G.H., C.D., M.E., D.C., A.S., M.S. Lock Rowe and two anonymous reviewers also made helpful comments on this manuscript, or data files therein11757773engbird plumagehabitat effectslight environmentplumage colourspectrophotometryviewing conditionsGeneral Immunology and MicrobiologyGeneral Biochemistry,Genetics and Molecular BiologyGeneral Environmental ScienceGeneral Agricultural and Biological SciencesSupplementary InformationJournal article10.1098/rspb.2024.1728http://www.scopus.com/inward/record.url?scp=105002299209&partnerID=8YFLogxK2922044