Other Sahelian mammal species include an isolated and presumably highly inbred population of around 70 olive baboons Papio anubis, in the Tamgak massif, and an estimated 500 Patas monkeys Erythrocebus patas in the central massifs and plateaux.    From Wordnik.com.  [Aïr and Ténéré Natural Reserves, Niger] Reference

Sahelian savanna species found in the Inner Niger Delta: Libyan striped weasel (Ictonyx libyca), African civet (Civetticutus civetta), caracal (Felis caracal), serval (Felis serval), striped hyena (Hyaena hyaena), patas monkey (Erythrocebus patas), sand fox (Vulpes pallida) and African wild cat (Felis silvestris).    From Wordnik.com.  [Inner Niger Delta flooded savanna] Reference

Sahelian large mammal species which used to be common in the Lake Chad ecoregion include red-fronted gazelle, dama gazelle, and dorcas gazelle (Gazella rufifrons, G. dama, G. dorcas), patas monkey (Erythrocebus patas), striped hyena (Hyaena hyaena), cheetah (Acinonyx jubatus), caracal (Felis caracal), and the endangered wild dog (Lycaon pictus).    From Wordnik.com.  [Lake Chad flooded savanna] Reference

There are also buffalo Syncerus caffer, roan Hippotragus equinus, giant eland Taurotragus derbianus (about 1,000), Guinea baboon Papio papio, green monkey Cercopithecus aethiops sabaeus, patas monkey Erythrocebus patas, bay colobus Colobus badius temmincki, all three African crocodiles: Nile Crocodylus niloticus, slender-snouted C. cataphractus (V) and dwarf Osteolaemus tetraspis, four tortoise species, and hippopotamus Hippopotamus amphibius, which is present in all three large watercourses in the park.    From Wordnik.com.  [Niokolo-Koba National Park, Senegal] Reference