Funding for this research was provided by:
National Park Service (P12AC71337)
Received: 20 March 2018
Accepted: 8 February 2019
First Online: 26 February 2019
Ethics approval and consent to participate
: The U.S. National Park Service Institutional Animal Care and Use Committee has overseen and approved the use of bison in this study.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.