New World Monkey

Goeldi's Monkey

Callimico goeldii

Goeldi's monkeys are small, all-black New World monkeys of the western Amazon, unusual among primates for making fungi a staple of their diet.

Dark Goeldi's monkey clinging to a slender vine among broad rainforest leaves

Classification

Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Primates
Family
Callitrichidae

Other Names

Goeldi's Marmoset, Callimico

Size

8–9.5 inches long; 0.8–1.5 lbs.

Description

Shaggy, all-black fur and a small body, the sole living member of its genus.

Behavior

Stays low in the dense understory rather than the high canopy most primates prefer.

Diet

Fungi make up a large share of the diet, along with fruit and insects.

Communication

High-pitched trills, often at frequencies near the edge of human hearing.

Habitat

Dense bamboo thickets and forest understory of the western Amazon Basin.

Life Cycle & Society

Gestation
~150 days
Sexually Mature
12–14 months
Life Span
~20 years in captivity
Athleticism
Vertical clinging and leaping
Conservation Status
Least Concern

Goeldi's monkeys live in small groups of two to ten, typically a monogamous breeding pair and their offspring from several litters. They mature unusually fast for a primate, reaching sexual maturity within their first year or so of life.

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