The addo elephant national park is home to the densest population of elephant in the world and is now the third largest national park in south africa the park can exclusively claim to be the only national park in the world to conserve the big 7 the big 5 as well as the southern right whale and great white shark off the algoa bay coast apart from elephants other mammals in addo include lion hyena leopard the endangered cape buffalo and black rhino as well as zebra jackal warthog sur