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Endangered
- Andean night monkeys are categorized as Endangered by the International Union for Conservation of Nature (IUCN, 2019), appearing on the IUCN’s Red List of Threatened Species. This dire assessment is due to a substantial population loss, which is believed to be over 50% of their historic population.
neprimateconservancy.org/andean-night-monkey/Andean Night Monkey, Aotus miconax - New England Primate ...
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Night monkeys are threatened by habitat loss, the pet trade, hunting for bushmeat, and by biomedical research. They constitute one of the few monkey species affected by the often deadly human malaria protozoan Plasmodium falciparum and are therefore used as experimental subjects in malaria research.
CONSERVATION STATUS: ENDANGERED. Andean night monkeys, also known as Peruvian night monkeys, are endemic to the South American country of Peru, in the Andes Mountains. They are found between elevations of 2,600 to 10,200 feet (800–3,100 meters) in the humid cloud forests of the mountains.
Despite their adaptability, night monkeys face significant threats from habitat destruction due to deforestation and human encroachment (Helenbrook and Valdez 2021). These activities lead to habitat fragmentation, which can isolate populations and reduce genetic diversity.
Northern night monkeys—also known as northern owl monkeys, three-striped night monkeys, or douroucoulis—are found north of the Amazon River, primarily between southern Venezuela and north-central Brazil.
The Spix’s night monkey is protected under Appendix II of the Convention on International Trade in Endangered Species (CITES), and it occurs in about 19 protected areas throughout its range. The most pressing need for this species is more field research.
Feb 10, 2021 · Although they live at different altitudes, the two species had similar activity patterns and diet, investing approximately half of the night in resting (48%), and feeding primarily on fruits. We found differences among groups in the time invested in feeding on flowers, their home range, and distance traveled per night.
The IUCN lists the Andean night monkey as Vulnerable, facing a high risk of extinction in the wild, because of small populations and habitat destruction from deforestation. The gray-bellied night monkey is also classified as Vulnerable due to hunting by humans and collection for the pet trade and medical research.
