About the Authors

Yonatan Sahle

yonatan.chemere@uct.ac.za

Current address: Human Evolution Research Center, University of California, Berkeley, California, United States of America

Affiliation Department of Archaeology, University of Cape Town, Cape Town, South Africa

W. Karl Hutchings

Affiliation Department of Sociology and Anthropology, Thompson Rivers University, Kamloops, Canada

David R. Braun

Affiliations Department of Archaeology, University of Cape Town, Cape Town, South Africa, Department of Anthropology, George Washington University, Washington DC, United States of America

Judith C. Sealy

Affiliation Department of Archaeology, University of Cape Town, Cape Town, South Africa

Leah E. Morgan

Affiliation Scottish Universities Environmental Research Centre, East Kilbride, United Kingdom

Agazi Negash

Affiliation Paleoanthropology and Paleoenvironment Program, Addis Ababa University, Addis Ababa, Ethiopia

Balemwal Atnafu

Affiliation Department of Earth Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YS. Performed the experiments: YS WKH DRB. Analyzed the data: YS WKH DRB JCS LEM AN BA. Contributed reagents/materials/analysis tools: WKH. Wrote the paper: YS WKH DRB JCS LEM AN BA. Conducted fieldwork and recovered data: YS DRB LEM AN BA.