About the Authors

Meghan W McKnight

To whom correspondence should be addressed. E-mail: meghan.mcknight@gmail.com

Affiliation Curriculum in Ecology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Peter S White

Affiliation Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Robert I McDonald

Affiliation Graduate School of Design, Harvard University, Cambridge, Massachusetts, United States of America

John F Lamoreux

Affiliations IUCN/SSC–CI/CABS Biodiversity Assessment Unit, Conservation International, Arlington, Virginia, United States of America , Department of Wildlife and Fisheries Sciences, Texas A&M University, College Station, Texas, United States of America

Wes Sechrest

Affiliation Department of Environmental Sciences, University of Virginia, Charlottesville, Virginia, United States of America

Robert S Ridgely

Affiliation World Land Trust–US, Deerfield, New Hampshire, United States of America

Simon N Stuart

Affiliation IUCN/SSC–CI/CABS Biodiversity Assessment Unit, Conservation International, Arlington, Virginia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

MWM and PSW conceived and designed the study. RIM contributed new analytical tools. MWM, RIM, and JFL analyzed the data. WS, RSR, and SNS were responsible for the collection, organization, and verification of the species range maps. MWM, PSW, and JFL wrote the paper, with extensive input from RIM, WS, RSR, and SNS.