The document summarizes information about the tropical savanna biome. It describes several animal species found in the savanna, including lions, black mambas, koala bears, and Nile crocodiles. It also lists some plant species that grow in the savanna, such as the Senegal Gum Acacia and elephant grass. Elephants and lions are identified as keystone species. The tropical savanna is characterized by vast plains, small rivers, and mountain ranges. Conservation efforts are focused on preventing poaching and protecting endangered species.