Northwest African cheetah , including 238 cheetahs in Central African Republic and Chad, 191 cheetahs in Algeria and Mali, and 25 cheetahs in the transboundary W, Arli, and Pendjari protected area complex in Benin, Burkina Faso and Niger. In Niger, populations occur in the northern parts of the country in the Ténéré desert and in the southern savanna region of W National Park. Records in Togo date to the 1970s. The Saharan cheetah is thought to be regionally extinct in Morocco, Western Sahara, Senegal, Guinea, Guinea-Bissau, Sierra Leone, Côte d'Ivoire and Ghana. In Mali, cheetahs were sighted in Adrar des Ifoghas and in
Benin Bronzes the collection is known as the Benin Bronzes, like most West African "bronzes" the pieces are mostly made of brass of variable composition. There are also pieces made of mixtures of bronze and brass, of wood, of ceramic, and of ivory, among other materials. The metal pieces were made using lost-wax casting and are considered among the best sculptures made using this technique. The Benin Empire, which occupied present-day Nigeria between the fourteenth and nineteenth centuries, was very rich in sculptures of diverse materials, such as iron, bronze, wood, ivory, and terra cotta. The Oba's palace in Benin, the site