Funding for this research was provided by:
Biotechnology and Biological Sciences Research Council (BB/G011338/1)
Secretaría de Educación Superior, Ciencia, Tecnología e Innovación
Received: 11 March 2020
Accepted: 20 May 2020
First Online: 27 May 2020
Ethics approval and consent to participate
: This project was conducted under ethical approval from the University of Manchester Animal Ethics Committee and fieldwork permits through Research in Svalbard (RiS) Project Numbers 10,790, 11,034 and 11,248.
: The authors declare that we have no competing interests.