photo as an evidence. I publish my observations on iNaturalist.org
Identification is confirmed by other users to "Research Level"
https://www.inaturalist.org/observations/40649200
not easy to take photo of this antelope. Shy and hiding.
On one photo is visible head and on the second tail. Enought for identification
https://www.inaturalist.org/taxa/42424-Sylvicapra-grimmia
Marakele national park, South Africa