About the Authors
- Alison V. Towner
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Affiliations Dyer Island Conservation Trust, Great White House, Kleinbaai, Gansbaai, South Africa, Department of Zoology, University of Cape Town, Rondebosch, South Africa
- Michelle A. Wcisel
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Affiliations Dyer Island Conservation Trust, Great White House, Kleinbaai, Gansbaai, South Africa, Department of Zoology, University of Cape Town, Rondebosch, South Africa
- Ryan R. Reisinger
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Affiliation Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Hatfield, South Africa
- David Edwards
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Affiliation Dyer Island Conservation Trust, Great White House, Kleinbaai, Gansbaai, South Africa
- Oliver J. D. Jewell
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* E-mail: oliverjewell@gmail.com
Affiliations Dyer Island Conservation Trust, Great White House, Kleinbaai, Gansbaai, South Africa, Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Hatfield, South Africa
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Wrote the paper: OJ MW AT RR DE. Initiated the project: AT MW OJ. Collected fin ID photographs: AT OJ MW. Determined methodology for processing fin IDs: MW. Cataloged and cropped photos in Picasa: MW DE OJ AT. Processed fin IDs in DARWIN: DE MW. Ran MARK analysis: RR. Produced figures: DE RR. Wrote the paper: OJ MW AT RR DE.