New World Monkeys:
* Howler Monkeys (Alouatta spp.): Found in the Amazon rainforest, they are known for their loud, booming calls.
* Spider Monkeys (Ateles spp.): Also found in the Amazon, they have long limbs and prehensile tails, enabling them to swing through the trees with incredible agility.
* Capuchin Monkeys (Cebus spp.): Known for their intelligence and tool-using abilities, they are found in various habitats, including forests and savannahs.
* Squirrel Monkeys (Saimiri spp.): Small, agile monkeys with a distinctive reddish-brown color, they are often found in large groups.
* Tamarin Monkeys (Saguinus spp.): Small, brightly colored monkeys with distinctive facial markings, they are found in the Amazon and Atlantic Forest.
* Marmosets (Callithrix spp.): The smallest monkey species, they have long, thin tails and are known for their agility.
Old World Monkeys:
* Barbary Macaques (Macaca sylvanus): Introduced to Brazil in the 19th century, they are now found in the state of Rio de Janeiro.
Other noteworthy species:
* Golden Lion Tamarin (Leontopithecus rosalia): Critically endangered, they are found only in the Atlantic Forest.
* Goeldi's Monkey (Callimico goeldii): A rare and elusive species found in the Amazon.
* Night Monkey (Aotus spp.): Nocturnal primates with large, expressive eyes, they are found in the Amazon and other rainforests.
Note: This is not an exhaustive list, and there are many other monkey species found in Brazil. The specific types of monkeys found in a particular region will depend on the habitat and local conditions.