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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.
Night monkeys, also known as owl monkeys or douroucoulis[2] (/ duːruːˈkuːliz /), are nocturnal New World monkeys of the genus Aotus, the only member of the family Aotidae (/ eɪˈɒtɪdiː /).
The soulful eyes of the Nancy Ma’s night monkey (Aotus nancymaae), also called the Ma’s Night Monkey or Peruvian red-necked owl monkeys, peer from the hollow of trees in the Amazonian neotropics of South America. They make their homes in rainforests that range from Northern Peru to Western Brazil.
As arboreal and quadrupedal monkeys, they are very agile when navigating the forest canopy throughout the night. When needed they can leap remarkable distances between branches. About 15 minutes after sunset, black-headed night monkeys leave their sleeping sites to forage and return just before sunrise each day.
Sep 14, 2023 · Owl monkeys (Aotus spp.) have historically been a principal species traded for biomedical research. Individuals found in the biomedical trade continue to be sourced from captive-bred, wild, and semi-wild populations.
Today government bans in most South American counties and the U.S. limit export and import, thus reducing the impact of trapping as a threat. Protected areas in many South American countries have also helped in the conservation of this species.
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Nancy Ma's night monkey (Aotus nancymaae) is a night monkey species from South America. It is found in Brazil and Peru. The species is named after Dr. Nancy Shui-Fong Ma. [3] It is known in medical research as a model organism for studying the Duffy antigen.
