20 Different Types of Monkeys In the World with Pictures and Facts

Around the world, people see different types of monkeys living in a wide range of environments. Monkeys are naturally found in Africa, Asia, and Central and South America. There are over 260 known monkey species, ranging from tiny pygmy marmosets to large baboons.

Monkeys live in forests, mountains, wetlands, and savannas, and some monkey species have adapted to living near human settlements. Some monkeys, such as proboscis monkeys and macaques, are strong swimmers, though they are not adapted for long underwater diving.

Scientists classify these monkeys into different types based on physical features, behaviour, habitats, and where they live.

Types of Monkeys Around the World

Each species has its own way of surviving, finding food, raising young, and protecting its group.

Monkeys are classified based on their anatomy, habitats, diet, and geographic range. Some of the most well-known types of monkeys include squirrel monkeys, mandrills, proboscis monkeys, colobus monkeys, langurs, snow monkeys, pygmy marmosets, baboons, vervet monkeys, capuchin monkeys, and golden lion tamarins. Let’s explore them in detail.

Squirrel Monkey (Saimiri sciureus)

The squirrel monkey is one of the smaller types of monkeys found in the tropical regions of South America. Since they are widely distributed, they can be found in Bolivia, Venezuela, and many other areas.

In rainforests, they usually live in the middle and upper canopy. Yet, if necessary, they will move lower to find food and shelter.

They prefer humid habitats such as rainforests, marshlands, and wetlands. They can also be found in savannas, showing how adaptable monkeys are.

Their fast movement, sharp eyesight, and constant activity help them quickly spot food and escape predators in dense jungle life. Their survival depends strongly on healthy rainforest ecosystems, which provide food, shelter, and safe breeding spaces.

One interesting fact is that a squirrel monkey’s brain is very large compared to its body size, which is why scientists often study them to understand memory, vision, and learning.

Mandrill (Mandrillus sphinx)

The mandrill is an easily recognised Old World monkey native to west-central Africa. Mandrills are among the most brightly coloured mammals in the world.

They have stocky bodies and large skulls. Mandrills have brown fur, with thin yellow-orange beards. They also have stiff white hairs on either side of their lips, forming a moustache-like shape.

These large monkeys are known for their vivid red noses and the red stripe running down the centre of their faces. Females are also colourful, but less vivid than males.

These primates live in large social groups. They spend much of their time on the forest floor searching for fruits, seeds, roots, and insects. Mandrills also use facial expressions and body postures to communicate inside the group and maintain social order.

A well-known fact is that the brighter a male mandrill’s face is, the healthier and stronger he is, and females often choose mates based on these colours.

Proboscis Monkey (Nasalis larvatus)

Among the more unusual types of monkeys, the proboscis monkey stands out for its very distinctive appearance. Its long tail and large reddish-brown nose are its most noticeable features.

The proboscis monkey is one of the largest monkey species native to Asia and is mainly found on the island of Borneo. In many groups, only one adult male is present, though some individuals live alone.

At night, several groups often gather at shared sleeping sites. Vocalisations are an important way proboscis monkeys communicate.

They mainly eat leaves and fruit, and sometimes insects. They often live near rivers, mangroves, and swamps, and you can see them swimming across water channels to find food.

Their large stomachs help them digest tough leaves, and this also gives many proboscis monkeys their rounded, pot-bellied look.

An interesting fact is that male proboscis monkeys use their large noses to make loud calls that attract females and warn other males to stay away.

Colobus Monkey (Colobus guereza)

Colobus monkeys share many similarities with Asian leaf-eating monkeys, especially their specialised digestive systems adapted for a leafy diet.

They live high in the forests of Africa. Young colobus monkeys are born white, making them easy to spot among the trees. This helps the group keep track of them in dense forest.

Adults often have long white tails, long white back hair, or striking black-and-white facial fur. You often see colobus monkeys leaping long distances between trees using their strong hind legs. Unlike most monkeys, colobus monkeys have almost no thumbs. This helps them swing and leap more easily between trees.

Colobus monkeys are an important part of forest ecosystems, helping maintain natural balance by spreading seeds and supporting new plant growth.

Snow Monkey (Macaca fuscata)

The Japanese macaque, also known as the snow monkey, is one of the best-known monkey species in the world. It lives on Japan’s Kyushu, Shikoku, and Honshu islands.

These thick-furred monkeys have pink faces and dense tan-coloured coats. They live in some of Japan’s coldest regions and often gather near natural hot springs to stay warm.

They are frequently seen sitting together in thermal pools heated by geothermal activity. Snow monkeys live in social groups where learned behaviours, such as washing food and playful actions, are passed down through generations.

They survive harsh winters by huddling close together and sharing body heat inside their groups. Young snow monkeys learn many habits by watching adults, which shows how strong learning and social bonds are in this species.

In fact, snow monkeys can survive temperatures below -10°C, which makes them the northernmost-living monkeys on Earth.

Pygmy Marmoset (Cebuella pygmaea)

Pygmy marmosets are closely related to tamarins and are among the smallest monkeys in the world. They can be recognised by their long tails, which are usually longer than their bodies. Although their tails are not prehensile, they help with balance while moving through trees.

Pygmy marmosets feed largely on tree sap, which they obtain by gnawing small holes in tree bark. Due to their tiny size, they are preyed upon by birds of prey, snakes, and small wild cats that live nearby. In fact, a pygmy marmoset is so small that it can sit comfortably on a human finger.

You often see pygmy marmosets clinging to tree trunks and moving quickly in short jumps. They live in small family groups where parents and older siblings work together to care for babies.

Spider Monkey (Ateles geoffroyi)

Spider monkeys are one of the most well-known types of monkeys found in the tropical forests of Central and South America. They are named for their long, thin arms and legs, which make them look spider-like when they move through trees.

Their long prehensile tails act like an extra limb and help them hang, swing, and reach for food. Spider monkeys spend most of their lives in the forest canopy and mainly eat fruits, seeds, and young leaves.

They live in large social groups that often split into smaller subgroups during the day. They move quickly through the treetops using brachiation, swinging from branch to branch with strong arms and tails. Their tail is so strong that it can hold their entire body weight, even while they eat using both hands.

By travelling long distances each day, spider monkeys help new plants grow across large forest areas. Spider monkeys are a classic example of forest ecosystem animals because tall rainforest trees give them food, shelter, and natural pathways to move through the canopy.

Howler Monkey (Alouatta palliata)

Howler monkeys are among the loudest types of monkeys in the world. They are known for their deep, roaring calls that can travel several kilometres through dense rainforest.

These monkeys live in Central and South America and spend most of their time in the treetops. Howler monkeys have strong tails that help them grip branches while feeding and resting.

Their diet mainly includes leaves, fruits, and flowers. Their loud calls help groups defend territory and stay in contact without needing to move far.

You can often hear howler monkeys before you ever see them, especially early in the morning. Their deep calls help reduce fights because groups can keep distance without coming close. Their calls can travel several kilometres through dense forest, sometimes reaching up to about 5 kilometres.

Langur (Trachypithecus cristatus)

Langurs are leaf-eating, tree-dwelling monkeys native to Asia. Many species have facial hair arranged in tufts that may be white, black, red, grey, or brown. Some species have prominent facial hair and head crests.

Adult silvery langurs are grey, while their babies are bright orange, which attracts attention from females who often help with infant care.

Langurs spend most of their time high in the trees, moving easily between branches in search of young leaves, fruits, and flowers.

Their specialised stomachs help them digest tough plant material that many other animals cannot process. In fact, a langur’s stomach works in a similar way to a cow’s, slowly fermenting leaves so the body can absorb enough energy.

Langur groups often include several adults and young ones, and social bonding, grooming, and shared care of infants play a strong role in their daily life.

Gee’s Golden Langur (Trachypithecus geei)

Gee’s golden langurs live mainly in dense forest habitats. They are considered endangered mainly due to habitat fragmentation. Their slim bodies, long limbs, and striking golden fur contrast strongly with their dark faces.

They are shy monkeys and difficult to spot in the wild. These monkeys are mainly found in a small region along the India–Bhutan border, where forests are rapidly shrinking.

Because their living area is limited, even small changes like road building, tree cutting, or farming expansion can quickly affect their survival.

Gee’s golden langurs mostly eat leaves, fruits, seeds, and flowers, and they spend most of their lives high in the tree canopy, rarely coming down to the ground.

François’ Langur (Trachypithecus francoisi)

François’ langurs have a specialised digestive system with four stomach chambers, allowing them to survive on a leaf-based diet. They are considered endangered.

They live mainly in karst landscapes, often making their homes on limestone cliffs. Ongoing habitat destruction has caused serious population declines, with numbers estimated at around 2,000 individuals.

These langurs are strong climbers and spend much of their time moving across steep rock faces and forested slopes in search of food.

They usually live in small social groups and depend heavily on undisturbed forests for survival. As mining, tourism, and forest clearing increase in their native regions, protecting their remaining habitats has become critical for keeping these monkeys in the wild.

Black Snub-Nosed Monkey (Rhinopithecus bieti)

The Yunnan snub-nosed monkey has a short, upturned nose and thick black fur that protects it from cold mountain climates.

Lichens make up a large part of its diet. This monkey has a multi-chambered stomach that helps break down tough plant material, a digestive system that is rare among primates.

These monkeys live in high-altitude forests of southwestern China, where winters are long and temperatures often drop below freezing. And they are one of the few monkeys in the world that live permanently in cold, snowy mountain forests.

They move in large groups to stay safe and to find scattered food sources. Because they depend on old-growth forests rich in lichens, deforestation and climate shifts directly threaten their survival in the wild.

Dusky Leaf Monkey (Trachypithecus obscurus)

The dusky leaf monkey is a threatened member of the Cercopithecidae family. It lives across Peninsular Malaysia, Myanmar, Thailand, and parts of southern Thailand near Singapore. Although not native to Singapore, strong swimming ability may explain occasional sightings there.

Dusky leaf monkeys show wide colour variation, including brown, grey, and black forms. You often see dusky leaf monkeys moving quietly through treetops in small groups.

They mainly eat young leaves, fruits, and flowers, and spend much of the day resting and grooming each other.

Chacma Baboon (Papio ursinus)

The chacma baboon is one of the largest baboon species and belongs to the Old World monkey family. Males are much larger and heavier than females.

Chacma baboons are opportunistic feeders and omnivores, eating plants, insects, and small animals. Leopards are their main natural predators, though other large carnivores may also hunt them.

They are very intelligent and use teamwork to protect the group from predators. You often see them using different warning calls to alert others about danger and food.

Their feeding habits closely match what wild monkeys eat and drink in natural environments across the world.

Yellow Baboon (Papio cynocephalus)

Yellow baboons live in parts of eastern and southern Africa. They have long snouts, golden-brown fur, and silvery fringes on their limbs. They spend most of their time on the ground, where they forage and interact socially.

Males often form protective bonds with females, increasing mating opportunities. Mothers show different levels of care, expressed through nursing, grooming, and play.

They are very active during the day and travel long distances to find food and water. Their strong social structure helps them protect each other, raise young, and learn survival skills from the group.

Guinea Baboon (Papio papio)

The Guinea baboon lives in western Africa. It spends much of its time on the ground. These baboons travel long distances during the day and sleep in tall trees or on rocky cliffs at night.

They are the smallest of the baboon species. Their faces are hairless and dark, with dog-like muzzles. Males are larger than females and have long canine teeth and thicker fur around the shoulders and neck.

They are highly social monkeys and often move in large groups, using sounds, facial expressions, and body postures to communicate. Living in open landscapes has made them alert and flexible, helping them find food and stay safe from predators.

Studies show that baboons can recognise dozens of group members and remember who helped or harmed them.

Red-capped Mangabey (Cercocebus torquatus)

Red-capped mangabeys are African Old World monkeys with dark reddish-brown caps on their heads. They show a fission-fusion social system, where large groups split into smaller ones and later reunite.

The red-capped mangabey was listed as Endangered on the IUCN Red List in 2019. They spend much of their time both in trees and on the ground, searching for fruits, seeds, insects, and small animals.

Their flexible group structure helps them find food over wide forest areas. Because forests are shrinking fast, these monkeys now survive in broken habitats, which makes protection efforts very important. Their decline clearly shows how forest loss breaks animal habitats and pushes wildlife closer to extinction.

Vervet Monkey (Chlorocebus pygerythrus)

Vervet monkeys are Old World monkeys native to Africa. They often search the ground for food and live in social groups that can include several dozen individuals.

Vervet monkeys have light grey fur, black faces, and long tails. They move easily between bushes and trees and eat a wide variety of foods.

Vervet monkeys are highly alert and use different warning calls to signal danger from snakes, birds of prey, or large predators.

They are often seen near rivers, farms, and even towns, where they adapt quickly to new food sources. Their strong social structure helps protect young monkeys and maintain group safety.

Golden Lion Tamarin (Leontopithecus rosalia)

The golden lion tamarin is a New World monkey with bright orange-gold fur. They are skilled climbers and use their fingers to catch insects. They are rare and endangered due to deforestation and habitat loss across tropical forests.

Golden lion tamarins are native to the Atlantic coastal forests of Brazil, one of the most threatened forest regions in the world. They usually live in small family groups and sleep inside tree holes for safety.

Conservation projects that protect forest corridors and reintroduce captive-bred individuals have played a direct role in slowly increasing some wild populations. Protecting such rare species clearly shows why wildlife conservation is important for the future of natural ecosystems.

Capuchin Monkey (Sapajus apella)

The capuchin monkey is one of the most intelligent types of monkeys and belongs to the New World monkey group. It is often portrayed in stories and historical settings.

Capuchins are highly intelligent and known for problem-solving and tool use, but they are difficult to keep as pets because of their complex social and physical needs.

In the wild, capuchins use stones to crack nuts, sticks to pull insects from holes, and leaves as simple tools. In fact, capuchins are one of the few animals other than humans that regularly use tools.

They live in close family groups where young monkeys learn by watching elders. Because of their sharp minds and active nature, they need large forest areas to stay healthy and balanced.

Conclusion

Looking at the many types of monkeys found around the world shows how wide their differences are in size, behaviour, and habitat. From small tree-dwelling species to large ground-living monkeys, this variety shows why monkeys are one of the most diverse primate groups on Earth. Monkeys from Africa and Asia are known as Old World monkeys, while those from Central and South America are New World monkeys.

Baboons, macaques, and spider monkeys are well-known examples, while chimpanzees and gibbons are apes, not monkeys, and tarsiers belong to a different primate group. Monkeys play key roles in ecosystems by spreading seeds, supporting forest growth, and maintaining food-web balance.

Scientists continue to study different types of monkeys worldwide to understand primate evolution, behaviour, and how to protect them in the wild. As forests shrink and climates change, learning about monkeys is not just interesting – it also helps people understand why protecting their habitats matters.