1. IUCN/Parc National de la Garamba, c/o PO Box 60642, Nairobi, Kenya
2. Centre for Resource Ecology, University of the Witwatersrand, 1 Jan Smuts Avenue, Johannesburg 2001, South Africa
3. National Parks Board of Bophuthatswana, Private Bag X2078, Mafikeng 8670, Bophuthatswana
4. Kruger National Park, Private Bag X402, Skukuza 1350, South Africa
5. Pilanesberg Game Reserve, PO Box 1201, Mogwase 0302, Bophuthatswana