Brumback's Night Monkey

Kingdom Order Family Genus Species
Animalia Primates Aotidae Aotus Aotus brumbacki
IUCN Status: Vulnerable
  • Common Name: Brumback’s Night Monkey
  • Taxonomy Classification Year: 1983
  • Monkey Size: 24 to 37 cm (9 to 14 in)
  • Skin Color(s): Gray
  • Habitat: Forests, Tropical Rainforests
  • Diet: Omnivorous
  • Native Countries: Colombia

Brumback’s Night Monkey Distribution

Brumback’s Night Monkey Characteristics

Brumback’s night monkey[1] is a nocturnal monkey species found in Colombia.

  • Traditionally, it has been considered a subspecies of the grey-bellied night monkey (Aotus lemurinus).
  • Still, recently, it has been argued that it should be considered a separate species.
  • Like other members of its genus, this species is nocturnal. Its small round head is striped with black and dominated by two large brown eyes.
  • The overall effect is not unlike an owl’s; the monkey’s eyes glow a reddish-orange in the reflected light.
  • The white eyebrows are bushy, with a patch of darker coat between them. Its gray fur is described as thick and shaggy, and the animal’s underside is reddish brown.
  • Its black-brown to orange tail is non-prehensile and invariably has a black tip. The Brumback’s night monkey has slender limbs with long, delicate fingers.

Brumback’s Night Monkey Facts

  • The species gets its name in honor of the American naturalist and physician Roger Brumback.
  • Nighttime comes foraging, when Brumback’s night monkeys move dexterously on all fours (quadrupeds) or hop through the tree canopy, up to 3 to 5 m (10 to 16 ft).
  • They travel the same route every night; scientists believe that nocturnal monkeys memorize foraging routes as they travel by moonlight.
  • The species belongs to the Aotus genus, the only truly nocturnal monkey in the world.
  • Small family groups of up to 5 individuals, consisting of a monogamous breeding pair and their offspring, are the norm for these monkeys.

Suggested Reading: Monkeys

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BioExplorer.net. (2023, January 31). Brumback’s Night Monkey. Bio Explorer. https://www.bioexplorer.net/animals/mammals/monkeys/brumbacks-night-monkey/.
BioExplorer.net. "Brumback’s Night Monkey" Bio Explorer, 31 January 2023, https://www.bioexplorer.net/animals/mammals/monkeys/brumbacks-night-monkey/.
BioExplorer.net. "Brumback’s Night Monkey" Bio Explorer, January 31 2023. https://www.bioexplorer.net/animals/mammals/monkeys/brumbacks-night-monkey/.
Key References
  • [1]“Brumback’s Night Monkey-Encyclopedia of Life”. Accessed December 11, 2022. Link.

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