Last updated: December 20, 2022
Verified by: AZ Animals Staff
© iStock.com/jeancliclac

These tiny yet intelligent monkeys often give birth to fraternal twins.


Tamarin Scientific Classification


Read our Complete Guide to Classification of Animals.

Tamarin Conservation Status

Tamarin Facts

Insects, lizards, frogs
Group Behavior
  • Troop
Fun Fact
These tiny yet intelligent monkeys often give birth to fraternal twins.
Estimated Population Size
Biggest Threat
Habitat loss and poaching
Most Distinctive Feature
Long tails and claws
Distinctive Feature
Large eyes
Gestation Period
4-6 months
Litter Size
Tropical forests
Wild cats, birds of prey, snakes, coatis
  • Diurnal
Favorite Food
Fruit, insects, sap
Number Of Species
Central America and South America

Tamarin Physical Characteristics

  • Brown
  • Grey
  • Red
  • Black
  • White
  • Gold
  • Green
  • Dark Brown
  • Orange
  • Olive-Grey
  • Grey-Brown
  • Light-Brown
Skin Type
Up to 20 years
0.75-1.5 pounds
8-12 inches
Age of Sexual Maturity
1.5-2 years

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Tamarins are small New World monkeys from the family Callitrichidae. You can find tamarins from southern Central America throughout central South America, particularly in the Amazon Basin. They live in family groups and spend most of their lives in trees which provide them with food and cover. Many tamarin species are threatened by habitat loss and hunting, and some are classified as Endangered species by the IUCN

5 Tamarin Facts

  • Thanks to their long tails and sharp claws, tamarins can deftly move along tree branches and reach speeds up to 24 miles per hour. 
  • Tamarins look out for each other while foraging and resting and communicate using a range of vocalizations and calls. 
  • While tamarins can live over 20 years in captivity, most captive and wild tamarins only live around 10 years. 
  • Female tamarins often give birth to fraternal twins. 
  • Tamarins live in groups of 3 to 40 members known as troops, and each member helps to raise and care for the young. 

Scientific name

All tamarins belong to the New World monkey family, Callitrichidae. The family name derives from the Greek words καλή (kalḗ), meaning “beautiful,” τριχός (trikhós), meaning “hair,” and the patronymic suffix -ίδης (-ídēs), meaning “appearance” or “resemblance.” The name tamarin technically refers to the 22 species belonging to the tamarin genus Saguinus. That said, two other genera share the name “tamarin.” These include the lion tamarins of the genus Leontopithecus and the saddle-back tamarins of the genus Leontocebus. Saguinus comes from the Portuguese word sagui, which was borrowed from the Tupian word for “marmoset,” and the Latin ending -inus, meaning “of” or “pertaining to.” Leontopithecus derives from the Greek words λέων (léōn), meaning “lion,” and πῐ́θηκος (píthēkos), meaning “ape” or “monkey.” Finally, Leontocebus stems from the Greek words for “lion” and κῆβος (kêbos), meaning “a long-tailed monkey.”

Scientists currently recognize 36 separate tamarin species. These species include: 

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  • Genus Saguinus
    • Golden-handed tamarin
    • Western black-handed tamarin
    • Eastern black-handed tamarin
    • Pied tamarin
    • Martin’s tamarin
      • Martin’s bare-face tamarin
      • Ochraceus bare-face tamarin
    • Cotton-top tamarin
    • Geoffroy’s tamarin
    • White-footed tamarin
    • Mustached tamarin
      • Spix’s mustached tamarin
      • Red-capped tamarin
      • White-rump mustached tamarin
    • White-lipped tamarin
      • Geoffroy’s white-lipped  tamarin
      • Gray’s white-lipped  tamarin
      • Thomas’ white-lipped tamarin
    • Emperor tamarin
    • Mottle-faced tamarin
  • Genus Leontopithecus
  • Genus Leontocebus
    • Cruz Lima’s saddle-back tamarin
    • Brown-mantled tamarin
    • Lesson’s saddle-back tamarin
    • Illiger’s saddle-back tamarin
    • Red-mantled saddle-back tamarin 
    • Andean saddle-back tamarin
    • Black-mantled tamarin
    • Geoffroy’s saddle-back tamarin
    • Golden-mantled tamarin
    • Weddell’s saddle-back tamarin


Emperor tamarin

An emperor tamarin, or

Saguinus imperator



The appearance of tamarins varies depending on the species. All tamarins have hairs across the length of their bodies. They vary in color, with some – like the golden lion tamarin – appearing goldish-orange, while others look brown, black, or white. Some species possess large manes around the neck and head, such as the lion tamarins, while others have distinguishing facial features, like the mustached tamarin with its great, busy mustache. Although tamarins range in terms of size and weight, they are all noticeably small. On average, most species weigh between 0.75 and 1.5 pounds and measure around 8 to 12 inches long. They possess long tails and large eyes, as well as long claws.  

Evolution and History

According to taxonomic review, tamarins first split off from other callitrichids between 15 and 30 million years ago. For years, researchers thought that tamarins were primitive primates, but now they are simply viewed as a dwarf lineage. In fact, tamarins likely started out larger in size and, over time, grew smaller as they adapted to their environment. The theory goes that tamarins emerged during a time of patchy forest distribution. This selected traits for smaller animals that could survive in smaller trees with thinner branches that could not otherwise support larger monkeys. The smaller monkeys stayed in the trees and lived, while the larger monkeys fell or returned to the ground and were eaten. 

At first, saddle-back tamarins used to belong to the genus Sanguins. However, further review led researchers to classify them in their own genus, Leontocebus, based on genetic data and the fact that the territories of saddle-back tamarins overlap with members of Saguinus more often than expected with two species in the same genus. 


Tamarins live in groups known as troops that can contain up to 40 members. That said, most troops consist of less than 10 members, mostly close family members. Each member of the group looks out for the other. They cooperate with each other and engage in social behaviors, including grooming. Tamarins rest together in groups and use sleep systems to make sure that each member stays safe. Similarly, each member keeps an eye out for predators while feeding. They use a wide range of vocal sounds that – while intelligible to us – communicate various meanings to the troop. Like other apes and monkeys, tamarins can use tools to solve simple tasks. With training and repetition, they can even learn to manipulate multiple tools to complete more complex challenges. 


You can find tamarins from southern Central America to central South America. In particular, they are most present in the Amazon Basin, the Andes, and the Guayanas. Tamarins live in tropical rainforests and open woodlands. They are arboreal, meaning that they spend the majority of their lives in trees. Trees provide them both with food in the form of fruits, sap, and insects, as well as cover and protection from predators.  


Overall, tamarins are omnivores that eat a wide array of foods. Their diet varies depending on the species, but most primarily live on either insects or fruit. They find insects by using their long claws to explore the cracks in tree bark and other crevices. Tamarins also collect sap from trees and dine on flowers, green vegetation, and nectar. Occasionally, they may eat bird eggs or small vertebrates like frogs or lizards

Predators and Threats of the Tamarin

Tamarins make easy prey due to their small size. Some animals that prey on tamarins include birds of prey, coatis, snakes, and wild cats like ocelots and margays. Tamarins use tree cover to try to avoid predators and keep an eye out for one another while feeding. They also maintain group sleep systems to protect each other at night. However, the main threat to tamarins comes not from predators but from human activities. Habitat loss, in particular, poses a substantial risk to most tamarin species. Tamarins are losing their native habitat due to climate change and the clearing of trees for agricultural production. For example, demand for cocoa has led to the clearing of trees where tamarins make their homes, which means they have fewer places to live or feed.   

Tamarin Reproduction and Life Cycle

Typically, tamarin families consist of one or two adult males and one reproductive female. Tamarins frequently practice polyandry, in which a single female mates with multiple males. However, some other species practice monogamy as well as other forms of bonding. The gestation period lasts approximately 4 to 6 months. Oddly, females give birth to fraternal twins around 80% of the time. Every member of the troop helps to care for the young, including the nonbreeding juvenile males and females. Tamarins reach sexual maturity between 1 and 1.5 and 2 years old. While most wild and captive tamarins live approximately 10 years, they can live up to 20 years, given the right conditions. 

Tamarin Population

It’s difficult to estimate the total tamarin population given the number of species and their widespread distribution. While some species appear relatively stable, others show signs of serious decline. The IUCN lists around half of all tamarin species as Least Concern, including the: red-handed tamarin, mustached tamarin, white-lipped tamarin, emperor tamarin, mottle-faced tamarin, black-mantled tamarin, brown-mantled tamarin, Andean saddle-back tamarin, Lesson’s tamarin, Cruz Lima’s saddle-back tamarin, Weddell’s saddle-back tamarin, red-mantled saddle-back tamarin, and Geoffroy’s saddle-back tamarin. Near Threatened species include Martin’s tamarin, Geoffroy’s tamarin, golden-mantled tamarin, and Illiger’s saddle-back tamarin. Vulnerable species include the black tamarin, eastern black-handed tamarin, and white-footed tamarin. Meanwhile, all 4 species of lion tamarin are listed as Endangered, while the pied tamarin and cotton-top tamarin are listed as Critically Endangered.     

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Tamarin FAQs (Frequently Asked Questions) 

Are tamarins carnivores, herbivores, or omnivores?

Tamarins are omnivores that eat a wide range of foods, including fruits, insects, spiders, bird eggs, flowers, leaves, and sap. They may also eat small vertebrates including lizards and frogs. 

Where are tamarins found?

You can find tamarins from southern Central America to central South America. Their range extends throughout much of the Amazon Basin, the Guayanas, and parts of the Andes.  

How intelligent are tamarins?

Although intelligence varies between individuals, tamarins display relatively high levels of intelligence. They use tools to solve problems, and with training can learn to solve even more complex tasks requiring multiple steps or tools. 

Are tamarins aggressive?

Generally speaking, tamarins are more likely to flee than to fight. However, mature females may show aggression towards non-breeding females, while males can act territorial towards male tamarins from outside their troop. 

Thank you for reading! Have some feedback for us? Contact the AZ Animals editorial team.

  1. 12/20/2022, Available here: https://news.harvard.edu/gazette/story/2009/06/individual-primates-display-variation-in-general-intelligence/
  2. New England Primate Conservancy, Available here: https://neprimateconservancy.org/tamarins/

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