Species present in Park
Nyungwe National park has one the largest populations of endemic species in all of Africa. Of the 86 mammal species present, 14 are endemic to the Albertine Rift. The forest is home to 14 species of primates, including large troops of colobus monkeys that often travel in groups of 300 or more individuals. 280 avian species have been identified in the forest, with 26 Albertine Rift endemic species and 121 forest species. There are also 43 species of reptiles, 8 of which are endemic. 31 species of amphibians are present, with 15 endemic species. There are innumerable invertebrate species present, and Nyungwe is especially known for its abundant butterfly populations, which include 21 Albertine Rift endemic species. The floral community consists of over 1100 species, with 137 endemic species.

Below is a partial species list:
- Primates
- Birds
- Reptiles and Amphibians
- Insects
Lastly Nyungwe National Park counts more than 200 tree species.