Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (Qu 148)
Received: 10 October 2018
Accepted: 10 January 2019
First Online: 22 January 2019
Ethics approval and consent to participate
: All animal work was conducted according to relevant national and international guidelines. Access to private land, field procedures and animal manipulations were approved by the New Island Conservation Trust, the Falkland Islands Government (Environmental Planning Office: R21.2012), the Animal Ethic Committee of the Institut Polaire Français Paul Emile Victor (Programme N°109, HW), and by the Préfet des Terres Australes et Antarctiques Françaises.
: Not applicable.
: The authors declare that they have no competing interests
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