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The Diana monkey (Cercopithecus diana) is an Old World monkey found in the high canopy forests in Sierra Leone, Liberia, and western Côte d’Ivoire [6] Named for its white brow which is said to resemble the bow of the Roman goddess Diana, this black-grey guenon has a white throat, crescent-shaped browband, ruff and beard.
Dian Fossey (/ d aɪ ˈ æ n / dy-AN; January 16, 1932 – c. December 26, 1985) was an American primatologist and conservationist known for undertaking an extensive study of mountain gorilla groups from 1966 until her murder in 1985. [1]
The guenons (UK: / ɡ ə ˈ n ɒ n z /, US: / ˈ ɡ w ɛ n. ə n z /) are Old World monkeys of the genus Cercopithecus (/ ˌ s ɜːr k ə ˈ p ɪ θ ə k ə s /).Not all members of this genus have the word "guenon" in their common names; also, because of changes in scientific classification, some monkeys in other genera may have common names that include the word "guenon".
The Roloway monkey (Cercopithecus roloway) is an endangered species of Old World monkey endemic to tropical West Africa. It was previously considered a subspecies of the Diana monkey (C. diana). The species is classified as Critically Endangered due to habitat loss and their continued hunting because of the bushmeat trade.
Furthermore, many primate species including chimpanzees, [157] Campbell's mona monkeys [158] or Diana monkeys [159] have been shown to combine vocalizations in sequences, suggesting syntax may not be uniquely humans as previously thought but rather evolutionary ancient, and its origins may be deeply rooted in the primate lineage. [160]
The order Primates consists of 505 extant species belonging to 81 genera. This does not include hybrid species or extinct prehistoric species. Modern molecular studies indicate that the 81 genera can be grouped into 16 families; these families are divided between two named suborders and are grouped in those suborders into named clades, and some of these families are subdivided into named ...
The Cercopithecinae are a subfamily of the Old World monkeys, which comprises roughly 71 species, including the baboons, the macaques, and the vervet monkeys.Most cercopithecine monkeys are limited to sub-Saharan Africa, although the macaques range from the far eastern parts of Asia through northern Africa, as well as on Gibraltar.
De Brazza's monkey (Cercopithecus neglectus) at the zoo. The zoo's historic Primate House first opened in 1927, featuring apes and monkeys from different locations and habitats in a series of small, identical barred cages typical of most early zoo exhibits. It became famous for its apes, including a gorilla named Bushman, until the Great Ape ...