Old World Monkeys (Cercopithecidae)
* Proboscis Monkey (Nasalis larvatus): This monkey is known for its large, bulbous nose and is found only in Borneo. Critically Endangered.
* Golden Snub-nosed Monkey (Rhinopithecus roxellana): Found in China, this monkey is threatened by habitat loss and hunting. Endangered.
* Drill (Mandrillus leucophaeus): This colorful monkey is found in Cameroon and Gabon and is threatened by hunting and habitat loss. Critically Endangered.
* Diana Monkey (Cercopithecus diana): This monkey is known for its white beard and is found in West Africa. Endangered.
* Red Colobus (Piliocolobus badius): This monkey is found in West and Central Africa and is threatened by habitat loss and hunting. Endangered.
New World Monkeys (Cebidae, Atelidae, Pitheciidae, etc.)
* Spider Monkey (Ateles geoffroyi): This monkey is found in Central America and is threatened by habitat loss and the pet trade. Endangered.
* Golden Lion Tamarin (Leontopithecus rosalia): This monkey is found in Brazil and is threatened by habitat loss and the pet trade. Endangered.
* Woolly Monkey (Lagothrix lagothricha): This monkey is found in South America and is threatened by habitat loss and hunting. Endangered.
* Mico Monkey (Cebuella pygmaea): This monkey is the smallest monkey in the world and is found in the Amazon rainforest. Critically Endangered.
* Night Monkey (Aotus spp.) Several species of night monkeys are endangered, threatened by habitat loss and the pet trade.
Other Endangered Monkey Species
* Gibbon (Hylobatidae): Many gibbon species are endangered due to habitat loss and the illegal pet trade.
* Orangutan (Pongo spp.): Found in Borneo and Sumatra, orangutans are threatened by habitat loss and the illegal pet trade. Critically Endangered.
* Gorilla (Gorilla spp.): Found in Central and West Africa, gorillas are threatened by habitat loss, hunting, and disease. Critically Endangered.
It's important to note:
* These are just a few examples of endangered monkey species. Many other species are also facing threats.
* Conservation efforts are ongoing to protect these animals, but more needs to be done.
* You can help by supporting organizations that work to protect monkeys and their habitats.
For more specific information about any particular species, I recommend visiting websites like the IUCN Red List or the World Wildlife Fund.