The zoo has more than one savanna, but this particular one, known as the "rhino savanna", also houses white rhinoceros, black wildebeest, cape buffalo, and gemsbok.
I saw 6 White Rhinos, perhaps a dozen Black Wildebeest, at least a dozen Sable Antelope, maybe 10 Gemsbok, but zero Cape Buffalo. There was a prominent sign for them, but none that I saw out there. There is another 'African Savanna' in the drive-through part of the zoo, with a half-dozen giraffe, a lot of Common Eland, and a few Ostriches.