When in Pretoria, visit the Rietvlei Nature Reserve just north of Centurion. At 3800 hectares, it is one of the largest urban nature reserves in the world! The Reserve boasts a plethora of animals, including the worlds largest antelope, the eland, zebra, red hartebeest, springbok, waterbuck, reedbuck, ostrich, buffalo, white rhino, bushpig, black-backed jackal, mountain reedbuck, ribi, grey duiker, steenbuck, brown hyena, porcupine, xpringhare, aardwolf, banded mongoose, hippos and cheetah. There are also 272 bird species, including Grebes, Cormorants, Anhingas, Herons Egrets, Bitterns, Ibis, Spoonbills, Ducks, Geese, Swans, Hawks, Eagles, Kites, Secretary-bird, Pheasants, Partridges, Guineafowl, Rails, Gallinules, Coots, Bustarts, Avocets, Stilts and many more.
Rietvlei is an ideal and very reasonably priced day-trip.