Niassa National Reserve (NNR). Created in 1954 with the aim of protecting wildlife, mainly elephants residing within its borders. It is located in Niassa, covers approximately 42,000 km² and represents not only one of the most remote, but also the largest conservation area in the country. The Reserve comprises about 1/3 of the Niassa Province and a part of the Province of Cabo Delgado covering eight districts, including the entire District of Mecula and a large part of the District of Mavago. It has a rich fauna, consisting essentially of elephant, ox-horse, lion, zebra, buffalo, pig of the mande elande imbabala, palaver, chango, facocero, inhacosso, cudo goats, gondonda, impala, reptiles, hippopotamus, crocodiles, birds, fish etc.