Three-striped Night Monkey Skull


Aotus trivirgatus, or The Owl Monkey, also called the night monkey, is one of the only nocturnal monkeys. The huge eyes found in this species allow for more light absorbing rods, and in turn, better night vision.


Three-striped Night Monkey Skull Replica measures 2.5 inches. Three-striped Night Monkey Male Skull Replica is museum quality polyurethane cast made in USA. 2-part skull (separate cranium & jaw). California Academy of Sciences Specimen. Known as the Owl Monkey. Our precise skull can be used as a teaching tool, museum skull exhibit, home décor skull, or office décor skull.

The Three-striped Night Monkey (Aotus trivirgatus), also known as Northern Night Monkey or Northern Owl Monkey, is one of several species of owl monkeys currently recognized. It is found in Venezuela and north-central Brazil.

Night monkeys constitute one of the few monkey species that are affected by the often deadly human malaria protozoan Plasmodium falciparum, making them useful as non-human primate experimental subjects in malaria research.

The Three-striped Night Monkey or Aotus trivirgatus have large brown eyes; the size improves their nocturnal vision increasing their ability to be active at night. Owl monkeys lack the tapetum lucidum composed of riboflavin crystals possessed by lemurs and other strepsirrhines, which is an indication that their nocturnality is a secondary adaption evolved from ancestral diurnal primates.

The Three-striped Night Monkey or Aotus trivirgatus are primarily fruit eating species as fruits are easily distinguished through the use of olfactory cues.

The technique used by night monkeys in insect capturing is to use the palm of the hand to flatten a prey insect against a tree branch and then proceed to consume the carcass.

During the winter months or when food sources are reduced, night monkeys have also been observed foraging on flowers such as Tabebuia heptaphylla.

The Owl monkey or  Aotus trivirgatus form a bond and mate with one partner. They live in small groups consisting of a pair of reproductive adults, one infant and one to two juveniles.

These species exhibit mate guarding, a practice in which the male individual will protect the female he is bonded to and prevent other males from attempting to mate with her.

The Three-striped Night Monkeys are primarily frugivorous (fruit eating species) as fruits are easily distinguished through the use of olfactory cues, but leaf and insect consumption has also been observed in the cathemeral night monkey species.

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Additional information

Weight 3 lbs
Dimensions 2.5 in
Three-striped Night Monkey Facts:

Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Suborder: Haplorhini
Infraorder: Simiiformes
Parvorder: Platyrrhini
Family: Aotidae
Genus: Aotus
Type species: Simia trivirgata