In the Simien Mountains you can found a lot of large groups of the endemic gelada baboons (Theropithecus gelada). Geladas can only be found in the highlands (2500m and higher) of Ethiopia, they use the cliffs for sleeping, the grasslands for foraging and mostly they are quite tame.
, Stefan Cruysberghs, Nikon D600 + Sigma 50-500mm, Request high resolution photo