The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

• Ankel-Simons, F. 2007. Primate Anatomy. Burlington MA: Academic Press.
• Fleagle, J. 1999. Primate Adaptation and Evolution. San Diego: Academic Press.
• Groves, Colin P. 2001. Primate Taxonomy. viii+350
• Herrera, E., E. Heymann. 2004. Does mom need more protein? Preliminary Observations on differencesin Diet Composition in a pair of Red Titi monkeys. Folia Primatologica, 75: 1-4.
• Johnson, D. 1996. "The Lifespans of non-human Primates" (On-line). Accessed May 05, 2007 at http://pin.primate.wisc.edu/aboutp/phys/lifespan.html.
• Mason, W. 1974. Comparative Studies of Social Behavior in Callicebus and Saimiri: Behavior of male female pairs. Folia Primatologica, vol 22: 1-7.
• Muller, A., A. Gustl. 2002. Duetting in the Titi Monkey Callicebus Cupreus; Structure, Pair Specificity, and Developement of Duets. Folia Primatologica, 73: 1-12.
• Richard Weigl (2005) Longevity of Mammals in Captivity; from the Living Collections of the World. Kleine Senckenberg-Reihe 48: Stuttgart.
• Rylands, A., M. Bampi, A. Chiarello. 2007. "IUCN Red List of Threatened Species" (On-line). Accessed May 06, 2007 at http://www.iucnredlist.org/search/details.php/41551/summ.
• Wilson, Don E., and DeeAnn M. Reeder, eds. 1993. Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing. xviii + 1207
• Wilson, Don E., and F. Russell Cole. 2000. Common Names of Mammals of the World. xiv + 204
• van Roosmalen, Marc G. M., Tomas van Roosmalen, and Russell A. Mittermeier. 2002. A Taxonomic Review of the Titi Monkeys, Genus Callicebus Thomas, 1903, With the Description of Two New Species, Callicebus bernhardi and Callicebus stephennashi, from Brazilian Amazonia. Neotropical Primates, vol. 10, supplement June, 2002. 1-52