Funding for this research was provided by:
USGS Natural Resource Protection Program (NRPP).
Received: 29 February 2020
Accepted: 5 June 2020
First Online: 26 June 2020
Ethics approval and consent to participate
: Fieldwork was permitted under NMFS permits 16146 and 20315, issued to K. Hart, National Park IACUC USGS-SESC2014-02 and USGS IACUC WARC\GNV 2017-04. Additional permits issued to K. Hart BUIS-2011-SCI-0012; BUIS-2014-SCI-0009; BUIS-2016-SCI-0009.
: Not applicable.
: The authors declare that they have no competing interests.