* ** P. Gandiwa, E. Chinoitezvi, E. Gandiwa
1 Scientific Services, Gonarezhou National Park, Parks, Wildlife Management Authority, Private Bag7003, Chiredzi, Zimbabwe
2 Mushandike College of Wildlife Management, Parks and Wildlife Management Authority, Private Bag 9036, Masvingo,
3 Resource Ecology Group, Wageningen University, P.O. Box 47, 6700 AA, Wageningen, The Netherlands