Sylvain Cordier / Hamadryas baboon (Papio hamadryas), dominant male running. Awash National Park, Rift Valley, Ethiopia.

Sylvain Cordier / Hamadryas baboon (Papio hamadryas), two, dominant male sitting and female standing. Awash National Park, Rift Valley, Ethiopia.

Sylvain Cordier / Hamadryas baboon (Papio hamadryas), dominant male sitting. Awash National Park, Rift Valley, Ethiopia.

Sylvain Cordier / Hamadryas baboon (Papio hamadryas), two, dominant male sitting with member of family. Awash National Park, Rift Valley, Ethiopia.

Sylvain Cordier / Sign in Awash National Park about Hamadryas baboon (Papio hamadryas) along road. Rift Valley, Ethiopia.

Suzi Eszterhas / Hamadryas baboon (Papio hamadryas), mother and baby examining rock. Native to Africa. Captive.

Wim van den Heever / Olive baboon (Papio cynocephalus hamadryas) feeding on Thomsons gazelle fawn meat (Eudorcas thomsonii) Masai Mara NR, Kenya

Denis-Huot / Olive baboon (Papio anubis) female displaying rear end, Nakuru National Park, Kenya, October.

Denis-Huot / Olive baboon (Papio anubis) female holding baby, Masai Mara Game Reserve, Kenya, October.

Denis-Huot / Olive baboon (Papio anubis) female with baby, Masai Mara Game Reserve, Kenya, October.

Roland Seitre / Hamadryas baboon (Papio hamadryas) running in desert, Djibouti, Africa.