Noisy Night Monkey
Aotus vociferans
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassMammalia (Mamífers)
- OrderPrimates
- FamilyAotidae (Night Monkeys)
- GenusAotus
- SpeciesAotus vociferans (Noisy Night Monkey)
Spix's night monkey (Aotus vociferans), also known as the Colombian gray night monkey, noisy night monkey and Spix's owl monkey, is a night monkey species from South America. It is found in Brazil, Colombia, Ecuador and Peru. The Spix's night monkey is a small bodied monkey species usually having a mass of around one kilogram. It belongs to the only nocturnal genus of New World primates, Aotus. This type of monkey can leap farther than most due to it having longer arms than legs. The monkey averages 0.5 meters in height. Wikipedia →
Closest Relatives at Sierra de la Macarena National Park
Common Woolly Monkey
Lagothrix lagothricha
Humboldt’s Squirrel Monkey
Saimiri cassiquiarensis
Colombian Red Howler Monkey
Alouatta seniculus
Mottled-face Tamarin
Saguinus inustus
Brown Capuchin
Sapajus apella
Black Titi
Cheracebus lugens
Ecuadorian Squirrel Monkey
Saimiri macrodon
Long-haired Spider Monkey
Ateles belzebuth
Ornate Titi
Plecturocebus ornatus
White-throated Capuchin
Cebus capucinus
Golden-backed Black Uakari
Cacajao melanocephalus
📅 Monthly Probability
Fewer than 5 records of Noisy Night Monkey at Sierra de la Macarena National Park — not enough to chart months honestly.
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Cuyabeno Wildlife Reserve | 🇪🇨 Ecuador | |
| 2 | Yasuní National Park | 🇪🇨 Ecuador | |
| 3 | Anavilhanas National Park | 🇧🇷 Brazil | |
| 4 | Sierra de la Macarena National Park | 🇨🇴 Colombia | |
| 5 | Amacayacu National Natural Park | 🇨🇴 Colombia |