Gelada n. : A baboon (Gelada Ruppelli) of Abyssinia, remarkable for the length of the hair on the neck and shoulders of the adult male.

Example:
Where Gelada monkeys live? I know somewhere in Africa,but in what country?

Taxonomy
Gelada, Theropithecus gelada, species, Gelada Baboon, free encyclopedia, baboons, Primates, monkeys, mangabeys, phthiraptera, Kingdom, Phylum, subfamily, beast, genus Papio, bright patch, 2006-12-26, family Cercopithecidae.

Defination from the web:
Gelada in its own particular genus (Theropithecus), though some genetic research suggests that this ... The Gelada is exclusively herbivorous but is specialised as a grass-eater, consuming every part of the plant (but favouring one part over the ...