|Male white-faced saki (Pithecia pithecia)|
|Female white-faced saki|
|White-faced saki range|
The white-faced saki (Pithecia pithecia), also known as the Guianan saki and the golden-faced saki, is a species of saki monkey, a type of New World monkey, found in Brazil, French Guiana, Guyana, Suriname and Venezuela. This species lives in the understory and lower canopy of the forest, feeding mostly on fruits, but also eating nuts, seeds, and insects.
In captivity, female white-faced sakis experience ovarian cycles of approximately 17 days, and a gestational period of 20–21 weeks. Following birth, the mother undergoes a period of lactationally-induced infertility lasting 23 weeks, on average.
White-faced sakis display noticeable sexual dichromism in their coloration. Females have shorter hair than males, with brownish-grey fur and white or pale brown stripes around the corners of the nose and mouth. Males, on the other hand, have blacker fur, with a reddish-white forehead, face, and throat.
A pair often mates for life. They are very devoted and will strengthen their bond by grooming one another.
- Groves, C.P. (2005). "Order Primates". In Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 148. ISBN 978-0-8018-8221-0. OCLC 62265494.
- Marsh, L.K.; Mittermeier, R.A.; Veiga, L.M. (2015). "Pithecia pithecia". IUCN Red List of Threatened Species. Version 2015.2. International Union for Conservation of Nature. Retrieved 4 July 2015.
- Groves, C.P. (2005). "Pithecia pithecia chrysocephala". In Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 148. ISBN 978-0-8018-8221-0. OCLC 62265494.
- Marsh, L. K. (July 2014). "A Taxonomic Revision of the Saki Monkeys, Pithecia Desmarest, 1804". Neotropical Primates 21 (1): 1–165. doi:10.1896/044.021.0101.
- Savage, A. et al. (1995). Selected aspects of female white-faced saki (Pithecia pithecia) reproductive biology in captivity. Zoo Biology 14(5):441–452. Retrieved 8 July 2008, from Wiley InterScience Journals database. doi:10.1002/zoo.1430140506.
- Sakis Pithecia. (23 Feb 2004). Retrieved 8 July 2008, from Mark V. Flinn, Dept. of Anthropology, University of Missouri-Columbia
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- Pithecia pithecia, MSW3
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