acacia albida africa aggression antelope ape apes baboon behaviour bird black blackbacked jackal blue wildebeest blur brown buffalo bushbuck cape cape buffalo cape ground squirrel cats charge cheetah chitake springs clouds crocodile dogs dust eagle elephant fish eagle flying gemsbok gharagab giraffe gnu green grey heron hippo hippopotamus impala kariba kgalagadi np kgalagadi transfrontier np kieliekranke kudu lake legavaan lion mammal mammals mana pools mana pools np matusadonna mouse national park northern cape nossob river np ostrich predators purple heron raptor red dunes reflection reptiles river rodent rukomeche sa show silhouette sky south africa springbok striped mouse sun sunset tashinga termite mound termites tree ungulate water buck waterbuck wildebeest wildlife yellow mongoose zambezi zebra zimbabwe