Witmer, Gary W.
Snow, Nathan P.
Moulton, Rachael S.
Funding for this research was provided by:
U.S. Department of Agriculture (None)
Article History
Received: 21 May 2015
Accepted: 7 September 2015
First Online: 15 September 2015
Compliance with ethical guidelines
: This research was conducted under study protocol QA-1435 approved by the Institutional Animal Care and Use Committee of the USDA/APHIS Wildlife Services, National Wildlife Research Center, Fort Collins Colorado. Hence, the study was conducted in compliance with the US Animal Welfare Act.<b>Competing interests</b> The authors declare that they have no competing interests.