I am quite sure its True frogs
Probably same species as
Yellow baboon, although the Chacma range should begin somewhere in the region.
Gorged off of dead hippo.
Toilet bowl is diagnostic.
Elephant dexterously picking fallen fruits off the ground.
On dead hippo.
Adult male is on left (with blue patch), juvenile in middle (light-colored patch), adult female on right (no blue patch).