[National Geographic Wallpaper] Gelada Baboon (겔라다개코원숭이)
Simen Mountains National Park, Ethiopia
"They swarm the plateau, sometimes 800 strong, in family units averaging four females per male, plus young. ... 'It's a constant battle over sex, space, or a juicy patch of grass,' says [biologist Chadden] Hunter. Male spats [pictured] are mostly brief cheek-puffing, teeth-grinding rituals."
???From "Kings of the Hill?" November 2002, National Geographic magazine