In Burundi as elsewhere, ecosystems provide numerous goods and services that contribute to human well-being. However, these ecosystems are undergoing degradation and destruction whose direct causes are deforestation, pollution and the proliferation of exotic species. This policy-brief gives information on the current situation on the vegetation trend in Rusizi National Park, the current evolution in terms of the extent of mountain rainforest in Kibira, Situation of the open forests of Gisagara and Rumonge and the trend of buffalo in Kibira National Park. It is a call for the effective involvement of stakeholders in order to take strategic measures to reduce biodiversity loss in Burundi.