Bester, M. N.
Wege, M.
Glass, T.
Article History
Received: 7 May 2018
Revised: 23 September 2018
Accepted: 25 September 2018
First Online: 4 October 2018
Compliance with ethical standards
:
: The University of Pretoria Animal Ethics Committee (Project Number EC077-15) cleared the procedures of this project, executed under an Environmental Research Permit, including the Wildlife and Protected Areas Research Permit, of the Tristan da Cunha Government.