Saadani's wildlife population is increasing during recent years after it has been gazetted as a National Park and was a hunting block beforehand. Wildlife in Saadani includes four of the Big Five, namely lions, African bush elephants, Cape buffaloes and leopards. Masai giraffes, Lichtenstein's hartebeest, waterbucks, blue wildebeests, bohor reedbucks, common and red duikers, Dik-Diks, yellow baboons, vervet monkeys, blue monkeys, Colobus monkeys, mongooses, genets, porcupines, sable antelopes, warthogs, hippopotamuses, crocodiles, nile monitors are also found in the park.