Search results
Mar 13, 2024 · Azara’s night monkey (Aotus azarae) lives in the Gran Chaco region of South America, according to the New England Primate Conservancy. The Colombian night monkey (Aotus lemurinus) is known...
A primary distinction between red-necked and gray-necked night monkeys is spatial distribution. Gray-necked night monkeys (Aotus lemurinus group) are found north of the Amazon River, while the red-necked group (Aotus azare group) are localized south of the Amazon River. [11]
First described in 1823 by German naturalist Johann Baptist von Spix, Spix’s night monkey (Aotus vociferans)—also known as the Colombian gray night monkey, noisy night monkey, or Spix’s owl monkey—is found north of the Amazon River 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.
Night monkeys are found in southern Central America through South America as far south as Bolivia, northeastern Argentina, and Paraguay. The genus Aotus is the second most widely distributed New World monkey genus, with howler monkeys being more widely distributed. (Cawthon Lang and Fernandez-Duque, 2005; Martin, 2004; Nowak, 1991)
Aug 12, 2010 · We analyzed 18 Aotus specimens belonging to eight Aotus taxa and two Saimiri sciureus (Table 1). Figure 1 shows the geographic distribution of Aotus species and sites of collection.
People also ask
Why are monkeys called Aotus?
How many owl monkeys are there in the genus Aotus?
Why are owl monkeys not found in Neotropical primates?
What is a third species of owl monkey (Aotus)?
Are Spix's night monkeys adaptable?
Are night monkeys endemic to the Peruvian Andes?
Azara’s night monkeys are small primates with no differences in size or coloration between males and females. Their body measures 9–14 inches (24–37 cm) and their tail is about as long as their body. They weigh approximately 2 pounds (1 kg). Longevity in the wild is estimated at 16–20 years.
