The mandrill (Mandrillus sphinx) is a primate of the Cercopithecidae (Old-world monkeys) family,[3] closely related to the baboons and even more closely to the drill. Both the mandrill and the drill were once classified as baboons in genus Papio, but recent research has determined that they should be separated into their own genus, Mandrillus.[3] The mandrill is the world's largest species of monkey. Charles Darwin wrote, "no other member in the whole class of mammals is coloured in so extraordinary a manner as the adult male mandrills".
The drill (Mandrillus leucophaeus) is a primate of the Cercopithecidae (Old-world Monkeys) family, closely related to the baboons and even more closely to the mandrill, The drill is similar in appearance to the Mandrill, but lacks the colorful face. They are semi-terrestrial monkeys, exhibiting extreme sexual dimorphism with males weighing up to 45 kg (100 lbs) - three times the size of females. They are semi-nomadic seasonally and little is known of their behavior or ecology in the wild.
Bioko Drill
Mainland Drill
The gelada (Theropithecus gelada), sometimes called the gelada baboon, is a species of Old World monkey found only in the Ethiopian Highlands, with large populations in the Semien Mountains. Theropithecus is derived from the Greek root words for "beast-ape."[3][4] Like its close relatives the baboons (genus Papio), it is largely terrestrial, spending much of its time foraging in grasslands.
Black-and-white colobuses (or colobi) are Old World monkeys of the genus Colobus, native to Africa. They are closely related to the red colobus monkeys of genus Piliocolobus.[1] The word "colobus" comes from Greek κολοβός kolobós ("maimed"), and is so named because its thumb is a stump.
The Japanese macaque (pronounced /məˈkɑːk/[1]) (Macaca fuscata), also known as the snow monkey, is a terrestrial Old World monkeyspecies native to Japan, although an introduced free-ranging population has been living near Laredo, Texas[2] since 1972.[3][4][5] It is the most northern-living as well as the most polar-living non-human primate. In Japan, it was historically known as saru ("monkey"). Nihonzaru (Nihon"Japan" + saru) is used in modern times to distinguish from other primates. Individuals have brown-gray fur, a red face, and a short tail. There are two subspecies of this macaque:
Baboon
Baboons are African and Arabian Old World monkeys belonging to the genus Papio, part of the subfamily Cercopithecinae. There are five species, which are some of the largest non-hominid members of the primate order; only the mandrill and the drill are larger. Previously, the closely related gelada (genus Theropithecus) and the two species (mandrill and drill) of genus Mandrillus were grouped in the same genus, and these Old World monkeys are still often referred to as baboons in everyday speech. They range in size and weight depending on species. The Guinea baboon is 50 cm (20 inches) and weighs only 14 kg (30 lb) while the largest chacma baboon can be 120 cm (47 inches) and weigh 40 kg (90 lb). A group of baboons is collectively called a troop or congress.
There are 5 species of baboons in the genus Papio;
- Genus Papio
- Hamadryas baboon, Papio hamadryas
- Guinea baboon, Papio papio
- Olive baboon, Papio anubis
- Yellow baboon, Papio cynocephalus
- Central yellow baboon, Papio cynocephalus cynocephalus
- Ibean baboon, Papio cynocephalus ibeanus
- Kinda baboon, Papio cynocephalus kindae
- Chacma baboon, Papio ursinus
- Cape chacma, Papio ursinus ursinus
- Gray-footed chacma, Papio ursinus griseipes
- Ruacana chacma, Papio ursinus raucana
Hamadryras Baboon
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