Funding for this research was provided by:
Biotechnology and Biological Sciences Research Council (BB/J004669/1, BBS/E/T/000PR9817, BB/P016774/1)
Received: 5 December 2019
Accepted: 13 March 2020
First Online: 15 April 2020
Ethics approval and consent to participate
: Samples were collected from wild Weddell seal adults and pups near McMurdo Station, Antarctica as part of a larger study [CitationRef removed]. Handling of <i>L. weddellii</i> individuals and sample export was conducted under appropriate scientific authorizations (National Marine Fisheries Service #19439, #18662, ACA #2016–005) and approved by the Massachusetts General Hospital IACUC. No further permissions were required to study wild Weddell seals. Consent to participate is not applicable, since our study does not involve human individuals, or any animal owned by an institution, individual or farm.
: Not applicable.
: The authors declare that they have no competing interests.