Pale-Faced (White-Faced) Saki Monkey
Pithecia pithecia (Linnaeus, 1766)
Range: Northeastern South America (Between Caroni and Orinoco Rivers)
Habitat: Rainforest
Diet: Seeds, Fruits, Leaves, Flowers
Social Grouping: Pairs or Small Groups up to 6 (Breeding Pair and Offspring)
Reproduction: Monogamous. Sexually mature at 32 months old. Gestation period 146 days. Usually 1 offspring at a time. Siblings from previous years may assist with care of infants. Infants stay on their mothers for five months, first on the thigh, then onto the back
Lifespan: 15 Years
Conservation Status: IUCN Least Concern, CITES Appendix II
- Body weight 2.35 kilogram average for males 1.75 kilograms for females
- Sexually dimorphic. Males are glossy black with a white face and dark snout. Females and newborns are brown with a black face and white stripe along the nose. Young males obtain adult coloration at 3.5-4 years old
- Home ranges consist of about 10 hectares, moving about 1 kilometer a day. Territories are marked with scent glands, urine, and territorial calls. Individuals will shake branches and grunt to intimidate intruders
- Predators include jaguars, ocelots, tayras, harpy eagles, and large snakes. Different alarm calls are used for different predators. Troops will mob snakes
- Almost entirely arboreal. Move on all fours through the branches, capable of flying leaps of up to 30 feet (nicknamed "flying jack" in some parts of South America)
- A former subspecies, the golden-faced saki has now been elevated to full-species status (P. chrysocephala)
- Hunted locally for meat and for the pet trade
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