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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]
Night monkeys (Aotus), also known as owl monkeys, are New World primates found across Central and South America, ranging from Panama to northern Argentina. Belonging to the family Aotidae, they are characterized by their nocturnal lifestyle and distinctive owl-like appearance.
Mar 13, 2024 · The gray-handed night monkey (Aotus griseimembra) lives in family groups that forage at night. They eat fruit, flowers, seeds, and insects, occasionally also eating bird eggs and small birds ...
Aotus trivirgatus eat primarily fruits, insects, nectar and leaves. They will also complement their diet with lizards, frogs and eggs for protein. During times when food is scarce, they seek out mostly nectar, figs and insects.
Adults weigh up to 1 kg. It has very large eyes, and is most active on moonlit nights, feeding on fruit, nuts, leaves, insects and other small invertebrates, and birds' eggs. The three-striped night monkey forms pair bonds which are broken only by the death of one partner.
The soulful eyes of the Nancy Ma’s night monkey, 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.
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Sep 14, 2016 · Owl monkeys are arboreal, quadrupedal, small-bodied platyrrhines (New World monkeys), with body masses ranging from 0.7 to 1.2 kg. Species differ in body mass by as much as 50 percent, with nocturnal Aotus species from the tropics being smaller than A. azarae from the South American Chaco (Fernandez-Duque 2011 ).
