In many areas in the world, wildlife conservation conflicts with livelihood of local people, and the coexistence between the two become a serious issue. Kenya has been known as a wildlife sanctuary for tourists and in order to conserve biodiversity, hunting is banned by Kenyan law. However, human-wildlife conflicts such as physical attacks on people, livestock predation and crop raiding are still regarded as high-priority problems in the internal affairs. In this study, I focus on leopard which is listed Appendix 1 by CITES and one of the “Big five”, the most attractive animals for tourists. On the other hand, the species causes a serious problem of livestock predation in Kenya. I introduce GPS/GSM system and camera trap to quantify population density and habitat range of the leopard. Moreover, by scat analysis, I will identify and quantify their prey species. It is important to analyze the ratio of livestock and wildlife to mitigate human-wildlife conflicts. The leopard is empirically known as a highly adaptable animal to disturbed environment. There are however, very few quantitative studies on their feeding ecology of leopard in urban landscapes. The goals of this study are to build up the framework of conservation and mitigation for coexistence of leopard and people.