There are six species of Baboon: 
1. the Olive Baboon (Equatorial Africa), 
2. the Yellow Baboon (Eastern Africa),  
3. the Chacma Baboon (Southern Africa),
4. the Kinda Baboon (Angola, Congo, Zambia),
5. the Guinea Baboon (Western Africa), and 
6. the Hamadryas Baboon (Ethiopia, Somalia and Yemen). 

The largest is the Chacma Baboon (up to 1.2m) and the smallest is the Kinda Baboon (up to 50cm).
Uganda has the Olive Baboon.

1st & 2nd photo: Bigodi area, Kibale National Park, Uganda, 24 & 25 January 2025
3rd photo: Lake Mburo National Park, Uganda, 17 January 2025
4th & 5th photo: Ruhija area, Bwindi National Park, Uganda, 20 January 2025