How Many Types of Monkeys Are There in the World? (2024)

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How Many Types of Monkeys Are There in the World? (1)

ByTina Donvito

Updated: Sep. 01, 2023

    We're not monkeying around: Find out all the fascinating facts about these incredible animals.

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    How Many Types of Monkeys Are There in the World? (2)

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    What is a monkey, exactly?

    We think we know monkeys for their playful behavior, their swinging around the jungle, and oddly familiar expressions (we’re related to them, after all). But how are all the types of monkeys different from other primates, which include great apes like gorillas, orangutans, and chimpanzees—and us? “I think one of the simplest ways to define a monkey when compared to other primates is to look to their tail—monkeys in a general sense encompass numerous tailed primate species,” says Victor Alm, zoological manager, primate unit, Saint Louis Zoo. “Other primate groups such as lemurs [part of the “prosimian” group, which is considered more primitive than monkeys] do have tails, but apes do not.” Monkeys also tend to have relatively flat and short faces, move with all four limbs, have hands and feet typically with a big toe or thumb, and live in social family groups, he says.

    “Fun fact: Apes could properly use the monkey bars, but most monkeys can’t because arm-to-arm swinging requires more shoulder mobility than monkeys have,” says Michelle Rodrigues, PhD, a biological anthropologist at the Beckman Institute at the University of Illinois. Apes have more upright posture and fully mobile shoulder joints, she says. Monkeys also differ from nocturnal prosimians by having traits like fully enclosed bony eye sockets that help them see better during the day. Primates of all stripes make for some of the most amazing animal photos.

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    Old World monkeys

    OK, so now that we know what a monkey is, exactly how many types of monkeys are there? “Monkeys are broadly divided into Old World species—160 species, and New World species—174 species,” says Jessica A. Mayhew, PhD, assistant professor of anthropology and museum studies, and director of the Primate Behavior and Ecology Program at Central Washington University. So that’s 334 species altogether! Alm says Old and New World monkeys have different kinds of noses, with Old World monkeys having narrow noses with downward-facing nostrils. Dr. Rodrigues says their teeth and vision differ, with Old World monkeys having fewer teeth and color vision.

    As their name suggests, Old and New World monkeys live in different geographic regions, with Old World monkeys in Africa and Asia, and New World in Central and South America. Dr. Rodrigues points out that many monkey experts are replacing the terms “Old World” and “New World” with African/Asian and Central/South American to reflect a less Euro-centric and colonialist point of view; we’ll use both interchangeably here.

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    New World monkeys

    Another major difference with the Central/South American monkeys is that some species of these types of monkeys have “prehensile” tails, which means they can grasp objects. “This means they can fully support their own body weight by hanging from their tails,” Dr. Rodrigues says. These monkeys also spend a lot more time in trees, whereas African/Asian monkeys prefer the ground. New World monkeys have broad noses with outward-facing nostrils, Alm says. In addition, “some Central/South American monkeys vary in whether they have full-color vision, limited color vision—the equivalent of color-blindness in humans—or a mix of the two, with all males color-blind, but female varying,” Dr. Rodrigues says.

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    Baboons

    Within these broad geographic categories, there are narrower groups each called a “genus,” which often have common names like “baboon.” These can be further broken down into species. For example, there are five species of baboon: the olive baboon, the yellow baboon, the hamadryas or “sacred” baboon,”the chacma baboon, and the Guinea baboon. Baboons, which live in Africa and Arabia, are some of the largest monkeys. They’re recognized by their distinctive long muzzles and hairless bottoms, which cushion their tushes for sitting on the ground. Unfortunately, because they often come into contact with humans, they’re sometimes seen as a pest. Their bad reputation isn’t helped by this fact: “Baboons will use infants as shields,” Dr. Mayhew says. Many animals in a variety of places are decreasing in number. Find out how many elephants are left in the world.

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    Macaques

    If you’ve ever seen monkeys chilling in natural hot springs in snow-covered Japan, those are the types of monkeys called macaques, which live in Asia and Africa. In a fun fact about animals you probably didn’t know before, macaques have also been known to pick-pocket coins. “There are 23 species, and each brings something unique to the table,” Mayhew says. “Tibetan macaques live exciting, noisy, and very social lives, and we’re only beginning to scratch the surface of their complex social behaviors. Tibetan macaques and some other species engage in what we call ‘bridging’ behavior, where an infant is used as a social tool between two adults. One will scoop up an infant and bring it to another, where they will both hold it and chatter or lip-smack over its genitals. Why this happens exactly isn’t completely understood, but it’s fascinating nonetheless!”

    Dr. Rodrigues loves Barbary macaques. “Barbary macaques are found in North Africa, and what’s interesting about them is that males spend a lot of time carrying and playing with the infants,” she says. Find out the animals you didn’t know could talk.

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    Guenons

    With 26 species, guenons are the largest and most diverse group of African primates, according to the Smithsonian National Zoo in Washington, D.C. They’re known for their colorful fur patterns and for their gracefulness, thanks to a long tail that helps them balance. One monkey that’s often grouped with guenons is one of Alm’s favorites, Allen’s swamp monkey. As its name implies, this monkey spends a lot of time near water. “An interesting feature about them can be found on their hands—Allen’s swamp monkeys have a slight skin webbing that can be seen between their fingers and toes, which aids them while swimming to forage or escape predators,” he says.

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    Mangabeys

    These African monkeys are known for their white eyelids, although not all of their 13 species have them. Rodrigues describes one of her favorites: “Red-capped mangabeys live in West Africa, and they have a characteristic dark mahogany ‘cap’ on their head,” she says. “They have ‘fission-fusion’ social organization, which means instead of staying in one cohesive group, the larger community can split off into subgroups.” Sadly, the red-capped mangabey is one of the wild animals that became endangered in 2019, moving up from “vulnerable” status on the International Union for Conservation of Nature’s Red List.

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    Colobus monkeys

    Colobus monkeys have a lot in common with Asian monkeys, with stomachs that have adapted to a diet of leaves. Yet they live in Africa, high up in trees.”I love the Zanzibar red colobus, which lives on Zanzibar and has striking red, black, and white coats with adorable tufts of white hair around their face,” Rodrigues says. Unfortunately, theZanzibar red colobus isendangered. Alm likes the Guereza colobus monkey. “One unique and distinctive feature of this leaf-eating monkey species is that babies’ colorations are all white when they’re born,” he says. “One thought behind this is that they are easy to see and find by the family group up in the densely vegetated treetops.” Adults in this species have black and white fur around their face, white tails, and long, white hair around their back.

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    Drills and mandrills

    Related to baboons, drills and mandrills have distinctive physical characteristics and short tails. “Mandrills live in West Africa, and they are known for their beautiful red and blue faces and butts, and the intensity of that coloration varies with hormones,” Rodrigues says. They may be some of the most colorful animals in the world. “Additionally, they have the biggest canines of any primate, and the reason they have long faces is because their canine root is so huge,” she says. Drills, related African monkeys that also have colorful bottoms and long faces, have a red lower lip and are known to smile to keep the peace. Drills and mandrills are each their own species, so they’re one of a kind—and sadly, drills are endangered.

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    More African monkeys

    The continent of Africa has no shortage of additional types of monkeys: The vervet monkey, which live in sub-Saharan Africa, are often recognizable for their gorgeous brown, gray or greenish fur, black faces, long tails, and agility. Some lesser-known monkeys are talapoins, which are the smallest Old World monkeys in Africa; patas monkeys, which have distinctive reddish fur and serious-looking eyebrows; and geladas, which look similar to baboons with long fur but only live in the mountains of Ethiopia, where they (rather unusually among monkeys) like to munch on grass. Known for their distinctive “bleeding heart,” a hairless red patch on their chest, geladas have provided some of the most strikingly beautiful animal photos you need to see.

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    How Many Types of Monkeys Are There in the World? (12)

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    Langurs

    Langur is a broad, general term for many types of monkeys that live in Asia, are mainly tree-dwelling, and eat leaves. The related langur group also includes leaf monkeys, lutungs, doucs, and surilis, with at least 28 species combined. Many of them have distinctive fur patterns of white, black, red, gray or brown, as well as tufts of hair around their face—some even stick up like cartoon trolls! “I love silvery langurs, who live in Southeast Asia—all the adults are silver-grey, but infants are born a bright orange, and the bright color attracts females to help with caring for the infants,” Rodrigues says.

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    Snub-nosed and proboscis monkeys

    Rounding out the Asian crew, two more types of monkeys are known for their distinctive facial features. Snub-nosed monkeys, which include five species, have almost non-existent noses but large lips. Living mainly in China, these interesting-looking monkeys are all endangered—some critically. The entirely different proboscis monkeys, on the other hand, have huge noses. They’re one of the amazing animals only found in one place in the world: the island of Borneo. Although it’s not known exactly what the point of their big noses is, recent research suggests the size of males’ noses may help them attract mates. The proboscis monkey, which is its own species, is also endangered.

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    Marmosets and tamarins

    Crossing the Atlantic, we find the Central and South American “New World” monkeys. Popular favorites include the squirrel-like marmoset and its close relative, the adorable tamarin. “Tamarins and marmosets are a group of tiny monkeys that have some unique traits, including typically having twins,” Rodrigues says. “My favorite is the golden lion tamarin found in Brazil. They were very close to extinction, but re-introductions from golden lion tamarins that were born in zoos in the United States have helped build up the population.” Alm prefers the cotton-top tamarin, which has a precious puff of white on the top of its head.

    Offspring from these types of monkeys aren’t your average twins, either. “Marmosets and tamarins have dizygotic twins, meaning that the offspring can be sired by two dads,” Mayhew says. “Dads help out with caring for the offspring as well, which is uncommon among primates.”

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    Capuchins

    You’re probably familiar with cute capuchins from movies and television, including Pirates of the Caribbean, Night at the Museum, and Friends (although thankfully, now animal actors are often being replaced with CGI creatures). What makes these mischievous monkeys, which encompass at least ten species, so popular? There are incredible stories of these animals acting just like humans. “Capuchins have really dexterous hands, which helps them manipulate their environment in complex ways,” Mayhew says. “Tufted capuchins in Brazil crack open palm nuts with large hammerstones and anvils. These stones sometimes weigh as much as the monkey itself.”

    Another interest capuchin fact? “Some untufted, or white-fronted, capuchins use smelly plants, such as leaves from the Piper plant, citrus, or alliums, to anoint themselves and others in their social group,” Mayhew says. “This is thought to act as a sort of natural insect repellent during the wet season, and it’s quite the social event as well!”

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    Spider monkeys

    Spider monkeys, which live from Mexico down to Brazil, are one of the largest Central/South American monkeys, and are known for their long limbs, grasping tail, and ability to swing and jump through the forest. “I am extremely biased to them, but they are beautiful and amazing for so many reasons,” says Dr. Rodrigues, who has studied them in the field. “The spider monkeys uses their prehensile tail to be able to swing underhand under branches—they are the one monkey that could use the monkey bars, but that’s because they cheat and use their tails to help them!”

    Alm is also partial to the spider monkey for its advanced tail. “They can use this to grasp things like a branch for stability, or to free up both their hands to grab and manipulate objects and items,” he says. “They also have a reduced thumb, so often it appears they only have four digits on their hands—some think this may have occurred due to lack of use when moving through the trees.”

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    Titis, sakis, and bald uakaris

    These animals that only live in the Amazon rainforest, titi monkeys and their close relatives, saki monkeys, have very furry faces. But their other close relative, the bald uakari, has an incredibly red, “bald” face due to the many blood vessels under its thin skin. “Titi monkeys, found in Amazonia, are fascinating,” Rodrigues says. “Because they are monogamous, males spend a lot of time caring for infants, and whole titi monkey families will twine their tales together as they huddle and sleep.” Titis also encompass the most species of monkeys, with over 30.

    Alm has a preference for one saki species. “The white-faced saki monkey is an amazing primate species found in several nations in northern South America,” he says. “They have a threat display where they fluff up all the hair on their body, give a low guttural call and shake a branch or their body in a rigid arched posture. Imagine a giant four-pound puff ball jumping up and down in front of you—if I were a predator, I might hesitate and that could give this monkey a chance to escape.”

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    More Central/South American monkeys

    Central and South America are home to several more types of monkeys as well. Close relatives of spider monkeys, woolly monkeys have similar agility but have a coat of short, thick fur. Small squirrel monkeys, relatives of capuchins, are also totally adorable with fur ranging from orange to white and black. As their name implies, the 15 species of howler monkeys are very noisy creatures whose cries can be heard up to three miles away. Night monkeys, also known as owl monkeys, are the only nocturnal monkeys and have big eyes for seeing at night.

    If you think we’ve learned about all the monkeys there are, think again. Types of monkeys are sometimes reclassified as we learn more about how certain groups are related. And sometimes, we even find new monkeys: the kipunji, first discovered in Africa in 2003, was declared the first new genus of monkey in 83 years in 2006; a new guenon species in Africa, a new titi species in Brazil, and a new macaque species in Tibet were also recently found. Next, check out 30 photos of the rarest animals on earth.

    Originally Published: December 03, 2019

    Author

    Tina Donvito

    Tina regularly covers relationships, psychology, culture, entertainment and the British royal family for Reader’s Digest. She's also been published by BuzzFeed News, Parade Magazine, the New York Times, Washington Post and Parents online, among others, and her work was selected by author Elizabeth Gilbert for the anthology Eat Pray Love Made Me D...

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    How Many Types of Monkeys Are There in the World? (19)

    How Many Types of Monkeys Are There in the World? (2024)

    FAQs

    How Many Types of Monkeys Are There in the World? ›

    Monkeys are haplorhine ("dry-nosed") primates, a group generally possessing tails and consisting of approximately 260 known living species. “Monkeys are broadly divided into Old World species—160 species, and New World species—174 species,” says Jessica A.

    How many kinds of monkeys are there in the world? ›

    There are nearly 200 different species of monkeys found around the world. They come in all shapes and sizes, from the adorable four-ounce pygmy marmoset to the massive 119-pound mandrill—and everything in between.

    How many species are there at Monkey World? ›

    At the park visitors can see over 250 primates of more than 20 different species.

    What are the top 5 most common monkeys? ›

    Ranked: Top 10 Primates, by Population
    RankMonkeyEstimated Population (as of 2017)
    1Muller's Bornean Gibbon312,500
    2Common Chimpanzee236,200
    3Gelada200,000
    4Western Gorilla175,000
    6 more rows
    Mar 29, 2024

    How many species of monkeys are left? ›

    There are currently 264 known monkey species, and scientists group them into New World monkeys that are found in South America (marmoset) and Old World monkeys that are found in Asia and Africa (baboon).

    How many monkeys are alive today? ›

    With Michael Nesmith's recent passing, Micky Dolenz, now 77, is the last surviving member of the Monkees.

    How many ape species are there in the world? ›

    Apes are primates belonging to the superfamily Hominoidea. There are approximately 22 species of apes including gorillas, orangutans, chimpanzees, bonobos, gibbons and humans. Except for gorillas and humans, apes are agile climbers. Most nonhuman ape species are rare or endangered.

    Is there an extinct monkey? ›

    The largest ever primate and one of the largest of the southeast Asian megafauna, Gigantopithecus blacki1, persisted in China from about 2.0 million years until the late middle Pleistocene when it became extinct2,3,4.

    What is the world's largest monkey? ›

    Mandrills are the largest monkey species and one of the most colorful.

    Is a gorilla a monkey? ›

    Gorillas are apes, they are not monkeys, although, they both belong to the different branches of simian infraorder. People often think, gorillas and monkeys are same, but gorillas are the members of hominidae family. Like orangutans, gorillas are closely related to humans.

    Are monkeys mammals yes or no? ›

    Mammals are a group of vertebrate animals. Examples of mammals include rats, cats, dogs, deer, monkeys, apes, bats, whales, dolphins, and humans. Figure 6.2 shows some examples of mammals.

    What is the 7 monkey theory? ›

    The 7 Monkeys is a way of enabling students to learn a concept, process or idea independently with minimal teacher input. Each 'monkey' is a different activity that the students undertake to support their learning. The end point is students answering a question with a piece of extended writing.

    What is the rarest monkey type? ›

    Did you know that the world's rarest primate is actually a gibbon? The Hainan gibbon (Nomascus hainanus) is critically endangered. In fact, this ape is found only in the Bawangling Nature Reserve on Hainan Island, China, located in the South China Sea.

    Which monkeys have a high IQ? ›

    Capuchin IQ

    Capuchins are the most intelligent New World monkeys – perhaps as intelligent as chimpanzees. They are noted for their ability to fashion and use tools. For instance, they have been observed Page 2 using rocks to crack open nuts.

    What is the friendliest monkey to humans? ›

    Bonobos, the friendly hippies of the primate world, are willing to help strangers even if there's nothing in it for them, Duke University researchers report November 7 in the journal Scientific Reports.

    What is the most unique monkey? ›

    The bald uakari (pronounced “wakari”) is a monkey living in Brazil and Peru, throughout the Amazon rainforest. Their appearance is particularly unique—and arguably quite frightening—with smaller, bald, bright red faces underneath shaggy orange or white fur.

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