About the Authors

Robin Naidoo

To whom correspondence should be addressed. E-mail: robin.naidoo@wwfus.org (RN); taylor.ricketts@wwfus.org (THR)

Affiliation Conservation Science Program, World Wildlife Fund, Washington, District of Columbia, United States of America

Taylor H Ricketts

To whom correspondence should be addressed. E-mail: robin.naidoo@wwfus.org (RN); taylor.ricketts@wwfus.org (THR)

Affiliation Conservation Science Program, World Wildlife Fund, Washington, District of Columbia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

RN collected data, analyzed the data, and wrote the manuscript. THR analyzed the data and wrote the manuscript.