1. Department of Wildlife Management, Sokoine University of Agriculture, Morogoro, Tanzania; e-mail: manyonyiabeid@gmail.com, zion2000tz@gmail.com
2. Pest Management Centre, Sokoine University of Agriculture, Morogoro, Tanzania; e-mail: lothmulungu@yahoo.co.uk, llaurent@sua.ac.tz
3. Natural Resources Institute, University of Greenwich, Kent, United Kingdom; e-mail: s.r.belmain@greenwich.ac.uk