References

Dasilva, G. L. The western black-and-white colobus as a low-energy strategist: Activity budgets, energy expenditure and energy intake. Journal of Animal Ecology, 61(1), 79-91. 

Gautier-Hion, A., Gautier, J. P. & Moungazi, A. 1997. Do black colobus in mixed-species groups benefit from increased foraging efficiency?  Comptes Rendus de l'Academie des Sciences Serie III Sciences de la Vie, 320(1), 67-71.

McKey, D. P. 1982. Ranging behavior of a group of black colobus (Colobus satanas) in the Douala-Edea Reserve, Cameroon. Folia Primatologica,  39, 264-304.

Mulhern, S. A. 1991. Groups and territories in Colobus guereza. M. Integrative Biology thesis, University of California at Berkeley.

Onderdonk, D. A. 2000. Infanticide of a newborn black-and-white colobus monkey (Colobus guereza) in Kibale National Park, Uganda. Primates, 41(2), 209-212.

Stanford, C.B. 1998. Chimpanzee and Red Colobus: the ecology of predator and prey. Cambridge: Harvard University Press.

Starin, E. D. 1994. Philopatry and affiliation among red colobus. Behaviour, 130(3-4), 253-270.

Struhsaker, T. T. 1975.  The Red Colobus Monkey.  Chicago: The University of Chicago Press.

Von Hippel, F. A. 1996.  Interactions between overlapping multimale groups of black and white colobus monkeys (Colobus guereza) in the Kakamega Forest, Kenya."  American Journal of Primatology, 38,193-209.

Wrangham, R. W. 1990. Rates of predation on mammals by gombe chimpanzees, 1972-1975. Primates, 31, 157-170.