About the Authors

Devi Stuart-Fox

To whom correspondence should be addressed. E-mail: devis@unimelb.edu.au

Affiliations School of Animal, Plant, and Environmental Sciences, University of the Witwatersrand, Johannesburg, South Africa , Department of Zoology, The University of Melbourne, Melbourne, Australia

Adnan Moussalli

Affiliations School of Biological and Conservation Sciences, University of KwaZulu Natal, Pietermaritzburg, South Africa , Department of Sciences, Museum Victoria, Melbourne, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

DSF and AM did all field work and spectroradiometry, discussed the results, and fine-tuned the manuscript. AM did phylogenetic analysis of Genbank sequence data, and wrote a program automating visual modelling. DSF analysed spectral data, did comparative analysis, and wrote the paper.