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The word mandrill is derived from the English words man and drill—the latter meaning ' baboon ' or ' ape ' and being West African in origin—and dated to 1744. [3] [4] [5] The name appears to have originally referred to chimpanzees. [6] The first scholar to record the name for the colorful monkey was Georges-Louis Buffon in 1766.
Mandrillus is a genus of large Old World monkeys distributed throughout central and southern Africa, consisting of two species: M. sphinx and M. leucophaeus, the mandrill and drill, respectively. [4] Mandrillus , originally placed under the genus Papio as a type of baboon , is closely related to the genus Cercocebus . [ 5 ]
Several Old World monkeys have anatomical oddities. For example, the colobus monkeys have stubs for thumbs to assist with their arboreal movement, the proboscis monkey has an extraordinary nose, while the snub-nosed monkeys have almost no nose at all. The penis of the male mandrill is crimson and the scrotum is lilac; the face is also brightly ...
In 1812, Étienne Geoffroy grouped the apes and the Cercopithecidae group of monkeys together and established the name Catarrhini, "Old World monkeys" ("singes de l'Ancien Monde" in French). [ 3 ] [ 4 ] [ 5 ] The extant sister of the Catarrhini in the monkey ("singes") group is the Platyrrhini (New World monkeys). [ 3 ]
Typically, Old World monkeys (paleotropical) are larger than New World monkeys (neotropical); the reasons for this are not entirely understood but several hypotheses have been generated. [3] As a rule, primate brains are "significantly larger" than those of other mammals with similar body sizes. [ 4 ]
There’s a new cute and cuddly baby zoo animal around. Following in the footsteps of Moo Deng and Pesto, Jasper, a rare baby mandrill born at the Fort Worth Zoo, is ready to capture the hearts of ...
The drill is a short-tailed monkey up to 70 cm (28 in) long, similar in appearance to the mandrill, but lacks the bright blue and red on the face of that species. It has high sexual dimorphism in weight, with males weighing up to 20 kg (44 lb) and females up to 12.5 kg (28 lb). [4] A close-up of face. The body is overall a dark grey-brown.
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