About the Authors

William T. Stanley

bstanley@fieldmuseum.org

Affiliation The Field Museum of Natural History, Department of Science and Education, Chicago, Illinois, United States of America

Mary Anne Rogers

Affiliation The Field Museum of Natural History, Department of Science and Education, Chicago, Illinois, United States of America

Philip M. Kihaule

Affiliation University of Dar es Salaam, Department of Zoology, Dar es Salaam, Tanzania

Maiko J. Munissi

Affiliation Southern Highlands Conservation Programme, Mbeya, Tanzania

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WTS MAR PMK MJM. Performed the experiments: WTS MAR PMK MJM. Analyzed the data: WTS MAR PMK. Wrote the paper: WTS MAR.