Funding for this research was provided by:
Academy of Finland (138049)
Turun Yliopisto (138049)
NRF-DST Centre of Excellence of the FitzPatrick Institute of African Ornithology
Text and Data Mining valid from 2019-01-25
Received: 7 June 2018
Revised: 13 December 2018
Accepted: 20 December 2018
First Online: 25 January 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: The project conformed to the legal requirements of South Africa and has received research FAUNA permits from the Northern Cape Province’s Department of Environment and Nature Conservation, and an ethics approval from the Science Animal Ethics Committee (SFAEC) of the University of Cape Town, South Africa.