About the Authors

Toni G. Patton

Affiliation Fertility Control Project1, National Wildlife Research Center, Animal and Plant Health Inspection Service, United States Department of Agriculture, Ft. Collins, Colorado, United States of America

Stephen L. Blamer

Affiliation Chemistry Laboratory Unit2, National Wildlife Research Center, Animal and Plant Health Inspection Service, United States Department of Agriculture, Ft. Collins, Colorado, United States of America

Katherine E. Horak

Katherine.E.Horak@aphis.usda.gov

Affiliation Fertility Control Project1, National Wildlife Research Center, Animal and Plant Health Inspection Service, United States Department of Agriculture, Ft. Collins, Colorado, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: TGP KEH. Data curation: TGP KEH. Formal analysis: TGP KEH. Funding acquisition: KEH. Investigation: TGP SLB. Methodology: TGP KEH. Project administration: KEH. Resources: TGP KEH SLB. Supervision: KEH TGP. Validation: TGP SLB. Visualization: TGP KEH. Writing – original draft: TGP. Writing – review & editing: TGP KEH SLB.