South African Environmental Observation Network, Phalaborwa, South Africa
William J. Bond
1 South African Environmental Observation Network, Phalaborwa, South Africa 2 Department of Biological Sciences, University of Cape Town, Cape Town, South Africa
Jason Donaldson
School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg, South Africa
Gareth P. Hempson
South African Environmental Observation Network, Phalaborwa, South Africa
Johan Malherbe
Natural Resources and the Environment, Council for Scientific and Industrial Research, Pretoria, South Africa
Izak P.J. Smit
1 School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg, South Africa 2 South African National Parks, Skukuza, South Africa
