About the Authors

Philip S. Miller

pmiller@cbsg.org

Affiliation Conservation Breeding Specialist Group, Species Survival Commission, International Union for Conservation of Nature, Apple Valley, Minnesota, United States of America

John D. Boone

Affiliation Great Basin Bird Observatory, Reno, Nevada, United States of America

Joyce R. Briggs

Affiliation Alliance for Contraception in Cats and Dogs, Portland, Oregon, United States of America

Dennis F. Lawler

Affiliation Illinois State Museum, Springfield, Illinois, United States of America

Julie K. Levy

Affiliation Maddie's Shelter Medicine Program, Department of Small Animal Clinical Sciences, University of Florida, Gainesville, Florida, United States of America

Felicia B. Nutter

Affiliation Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts, United States of America

Margaret Slater

Affiliation Shelter Research and Development, American Society for the Prevention of Cruelty to Animals, Florence, Massachusetts, United States of America

Stephen Zawistowski

Affiliation American Society for the Prevention of Cruelty to Animals, New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PSM JDB JRB DFL JKL FBN MRS SZ. Analyzed the data: PSM. Wrote the paper: PSM JDB JRB DFL JKL FBN MRS SZ. Constructed and implemented the simulation models: PSM.