Attention Deficit Disorder Prosthetic Memory Program

Mandrill

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Mandrill - © Attention Deficit Disorder Prosthetic Memory Program

The mandrill (Mandrillus sphinx) is a primate of the Old World monkey (Cercopithecidae) family. It is one of two species assigned to the genus Mandrillus, along with the drill. Both the mandrill and the drill were once classified as baboons in the genus Papio, but they now have their own genus, Mandrillus. Although they look superficially like baboons, they are more closely related to Cercocebus mangabeys. Mandrills are found in southern Cameroon, Gabon, Equatorial Guinea, and Congo. Mandrills mostly live in tropical rainforest and in very large groups. Mandrills have an omnivorous diet consisting mostly of fruits and insects. Their mating season peaks in July to September, with a corresponding birth peak in December to April.

Mandrills are the world’s largest monkeys. The mandrill is classified as vulnerable by IUCN.

Mandrills are noted as being exceptionally colorful by mammalian standards. Charles Darwin wrote in The Descent of Man: “no other member in the whole class of mammals is colored in so extraordinary a manner as the adult male mandrill’s”. The bright colors of mandrills are indeed not produced conventionally (no mammal is known to have red and blue pigments), being derived from light diffraction in facial collagen fibers.

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