About the Authors

W. Louis Phipps

louis.phipps@ntu.ac.uk

Affiliation School of Animal, Rural and Environmental Sciences, Nottingham Trent University, Southwell, Nottinghamshire, United Kingdom

Kerri Wolter

Affiliation VulPro, Rietfontein, North West Province, South Africa

Michael D. Michael

Affiliation Research, Testing and Development, Eskom Holdings Ltd, Johannesburg, Gauteng Province, South Africa

Lynne M. MacTavish

Affiliation Mankwe Wildlife Reserve, Mogwase, North West Province, South Africa

Richard W. Yarnell

Affiliation School of Animal, Rural and Environmental Sciences, Nottingham Trent University, Southwell, Nottinghamshire, United Kingdom

Competing Interests

The author Michael Michael is employed by Eskom Holdings Ltd, South Africa, whose company partly funded this study. Mazda Wildlife Fund provided a research vehicle. Rand Merchant Bank partly funded this study. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: WLP KW RWY MM LM. Performed the experiments: WLP KW LM. Analyzed the data: WLP RY. Wrote the paper: WLP RWY. Acted as the first author’s study supervisor: RWY.