I think they're Serval cats. From Wikikepedia: The serval (Leptailurus serval) is a wild cat native to Africa. It is rare in North Africa and the Sahel, but widespread in sub-Saharan countries except rainforest regions. On the IUCN Red List it is listed as Least Concern. Across its range, it occurs in protected areas, and hunting it is either prohibited or regulated in range countries.