Mammals
Saki Monkey
Pithecia pithecia · also called white-faced saki
Perched high in the canopy with a pale, almost ghostly white face set against jet-black fur, a male saki monkey cracks open a hard unripe seed with specialised teeth, a feeding trick that opens up a food source most other rainforest primates simply cannot access.
Overview
The saki monkey, Pithecia pithecia, is native to rainforest habitat across parts of the Amazon basin and the Guianas in South America. Its dramatic difference in appearance between males and females, specialised seed-cracking teeth, and shy, elusive canopy lifestyle make it one of the more visually and behaviourally distinctive monkeys found in South America.
Two very different looks, one species
Few primates show as dramatic a visual split between the sexes as the saki monkey, where a male’s striking black-and-white contrast and a female’s more muted, striped appearance can make the two look almost like entirely different species at a glance.
Status
Least Concern, remaining widespread across suitable rainforest habitat throughout its range in South America.
Saki Monkey: common questions
Why do male and female saki monkeys look so different?
Males display a striking black body with a pale, almost white face, while females instead show browner or greyer fur with distinctive facial stripes, a pronounced difference known as sexual dimorphism.
What does the saki monkey eat?
It is an omnivore that feeds mainly on seeds and unripe fruit, using specialised teeth to crack open hard outer coats that many other primates cannot access, along with some leaves and insects.
Why is the saki monkey hard to spot in the wild?
It is a shy, elusive primate that tends to remain still and quiet high in the forest canopy when disturbed, making it difficult for observers to find.
Where is the saki monkey found?
It is native to rainforest habitat across parts of the Amazon basin and the Guianas in South America.