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

References

• 1. IUCN Red List (January, 2009) http://www.iucnredlist.org
• 2. Macdonald, D. (2001) The New Encyclopedia of Mammals. Oxford University Press, Oxford.
• 3. Richardson, M. (2005) Pers. Comm.
• 4. CITES (January, 2004) http://www.cites.org
• 5. Chiarello, A. (1995) Role of Loud Calls in Brown Howlers, Alouatta guariba. American Journal of Primatology, 35: 213 - 222.
• 6. Animal diversity (January, 2004) http://animaldiversity.ummz.umich.edu/accounts/alouatta/a._fusca$narrative.html
• 7. Conservation International (January, 2004) http://www.conservation.org/xp/frontlines/2003/fall/features/parkprofiles/parkprofile7.xml
• Agostini, I., I. Holzman, M. Bitetti. 2008. Agostini I, Holzmann I, Di Bitetti MS. 2008. Infant hybrids in a newly formed mixed species group of howler monkeys (Alouatta guariba clamitans and Alouatta caraya) in northeastern Argentina.. Primates, 49: 304-307.
• Agostini, I., I. Holzman, M. Bitetti. 2010. Are Howler Monkey Species Ecologically Equivalent? Trophic Niche Overlap in Syntopic Alouatta guariba clamitans and Alouatta caraya. Journal of Primatology, 72(2): 173-186.
• Bianchi, R., S. Mendes. 2007. Ocelot (Leopardus pardalis) Predation on Primates in Caratinga Biological Station, Southeast Brazil. American Journal of Primatology, 69(10): 1173-1178.
• Chiarello, A. 1993. Activity Pattern of the Brown Howler Monkey Alouatta fusca, Geoffroy 1812, in a Forest Fragment of Southeastern Brazil. Primates, 34(3): 289-293.
• Chiarello, A. 1994. Diet of the Brown Howler Monkey Alouatta fusca in a semi-deciduous Forest Fragemnt of Southeastern Brazil. Primates, 35(1): 25-34.
• Chiarello, A. 1995. Grooming in Brown Howler Monkeys, Alouatta fusca. American Journal of Primatology, 35: 73-81.
• Chiarello, A. 1995. Role of Loud Calls in Brown Howlers, Alouatta fusca. American Journal of Primatology, 36(3): 213-222.
• Fleagle, J. 1988. Primate Adaptation and Evolution. New York: Academic Press.
• Fortes, V., J. Bicca-Marques. 2007. Abnormal Pelage Color in an Isolated Population of Alouatta guariba clamitans Cabrera, 1940 in South Brazil. International Journal of Primatology, 29(3): 717–722.
• Hirano, Z., I. Correa, D. De Oliveira. 2008. Contexts of Rubbing Behavior in Alouatta guariba clamitans: A Scent-Marking Role?. American Journal of Primatology, 70(6): 575-583.
• Holzmann, I., I. Agostini, J. Areta, H. Ferreyra, P. Beldomenico, M. Di Bitetti. 2010. Impact of Yellow Fever Outbreaks on Two Howler Monkey Species (Alouatta guariba clamitans and A. caraya) in Misiones, Argentina. American Journal of Primatology, 72: 475–480.
• Horwich, R. 1998. Effective Solutions for Howler Conservation. International Journal of Primatology, 19(3): 579-598.
• Ingberman, B., R. Fusco-Costa, E. Monteiro-Filho. 2009. Population Survey and Demographic Features of a Coastal Island Population of Alouatta clamitans in Atlantic Forest, Southeastern Brazil. International Journal of Primatology, 30: 1-14.
• Kowalewski, M., J. Salzer, J. Deutsch, M. Rano, M. Kuhlenschmidt, T. Gillespie. 2011. Black and Gold Howler Monkeys (Alouatta caraya) as Sentinels of Ecosystem Health: Patterns of Zoonotic Protozoa Infection Relative to Degree of Human–Primate Contact. American Journal of Primatology, 73: 75-83.
• Kowalewski, M., T. Gillespie. 2009. Ecological and Anthropogenic Influences on Patterns of Parasitism in Free-Ranging Primates: A Meta-analysis of the Genus Alouatta. Pp. 433-461 in P Garber, A Estrada, J Bicca-Marques, E Heymann, K Strier, eds. South American Primates: Comparative Perspectives in the Study of Behavior, Ecology, and Conservation, Vol. -, IV Edition. New York: Springer.
• Martins, M. 2006. Comparative Seed Dispersal Effectiveness of Sympatric Alouatta guariba and Brachyteles arachnoides in Southeastern Brazil. Biotropica, 38(1): 57-63.
• Martins, M. 2008. Fruit diet of Alouatta guariba and Brachyteles arachnoides in Southeastern Brazil: comparison of fruit type, color, and seed size. Primates, 49(1): 1-8.
• Martins, M. 2009. Lianas as a food resource for brown howlers (Alouatta guariba) and southern muriquis (Brachyteles arachnoides) in a forest fragment. Animal Biodiversity and Conservation, 32(1): 51-58.
• Mendes, S., A. Rylands, M. Keirulff, M. de Oliveira. 2008. "Alouatta guariba" (On-line). IUCN 2010. Accessed March 20, 2011 at http://www.iucnredlist.org/apps/redlist/details/39916/0.
• Miranda, J., I. Bernardi, K. Abreu, F. Passos. 2005. Predation on Alouatta guariba Cabrera (Primates, Atelidae) by Leopardus pardalis (Linnaeus) (Carnivora, Felidae). Rev. Bras. Zool., 22(3): 793-795.
• Miranda, J., I. Bernardi, R. Moro-Rios, F. Passos. 2006. Antipredator Behavior of Brown Howlers Attacked by Black Hawk-eagle in Southern Brazil. International Journal of Primatology, 27(4): 1097-1101.
• Miranda, J., I. Bernardi, R. Moro-Rios, L. Aguiar, G. Ludwig, F. Passos. 2004. Social structure of Alouatta guariba clamitans: a group with a dominant female. Neotropical Primates, 12(3): 135-138.
• Miranda, J., L. Aguiar, G. Ludwig, R. Moro-Rios, F. Passos. 2005. The first seven months of an infant Alouatta guariba (Humboldt) (Primates, Atelidae): Interactions and the development of behavioral patterns. Rev. Bras. Zool., 22(4): 1191-1195.
• Pinto, L., C. Costa, K. Strier, G. da Fonseca. 1993. Habitat, Density and Group Size of Primates in a Brazilian Tropical Forest. Folia Primatologica, 61(3): 135-143.
• Richard Weigl (2005) Longevity of Mammals in Captivity; from the Living Collections of the World. Kleine Senckenberg-Reihe 48: Stuttgart.
• Richardson, M. 2005. "Brown Howling Monkey (Alouatta guariba)" (On-line). ARKive. Accessed March 15, 2011 at http://www.arkive.org/brown-howling-monkey/alouatta-guariba/#text=Range.
• Rodriguez, V., P. Dias. 2010. Effects of Habitat Fragmentation and Disturbance on Howler Monkeys: A Review. American Journal of Primatology, 72: 1-16.
• Streier, K. 2004. Howler monkeys and spider monkeys. Pp. 155-170 in B Grzimek, S Craig, D Thoney, N Schalger, M Hutchins, eds. Grzimek's Animal Life Encyclopedia, Vol. 12, Mammals III Edition. Detroit, MI: Thomson/Gale.
• Strier, K., S. Mendes, R. Santos. 2001. Timing of Births in Sympatic Brown Howler Monkeys (Alouatta fusca calmitans) and Northern Muriquis (Brachyteles arachnoides hypoxanthus). American Journal of Primatology, 55: 87-100.
• 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
• da Cunha, R., E. Jalles-Filho. 2007. The Roaring of Southern Brown Howler Monkeys (Alouatta guariba clamitans) as a Mechanism of Active Defence of Borders. Folia Primatologica, 78(4): 259–271.
• de Souza Fialho, M., E. Setz. 2007. Extragroup Copulations Among Brown Howler Monkeys in Southern Brazil. Neotropical Primates, 14(1): 28-30.