Northern Night Monkey

• It is the only truly nocturnal simian — monkey or ape — in the world.
• It is the male, not the mother, who carries the infant for most of its first four months.
• It forms stable monogamous pairs in the forests of northern South America.

Skeleton type

Vertebrate - internal bony skeleton (mammal)

Habitat and environment

Rainforest, cloud forest and gallery forest of northern South America, from sea level to 1,000 m

Birth weight

88.5 grams

Size at birth

Large and precocial relative to its parents, fully furred at birth

Sexual maturity

Female: ~2.2 years | Male: 2 years

Gestation / incubation

133-142 days (~4.5 months)

Litter / clutch size

1 young (twins rare)

Life expectancy in captivity

Documented record of up to 30.1 years in captivity

Sources consulted: Animal Diversity Web; AnAge; New England Primate Conservancy; Know Your Mammals; Primates Park; Wikipedia

The pins mark the parks where its presence is documented.