| 21. | Dr . Richard Wrangham, a primatologist at Harvard, cites the example of the red colobus monkey.
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| 22. | The black colobus monkey is one of five recognised species in the " Colobus " genus.
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| 23. | The park is a sanctuary for colobus monkeys, chimpanzees, and many birds such as hornbills and turacos.
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| 24. | The black colobus monkey is listed under Appendix II of CITES, which restricts international trade of the species.
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| 25. | Olive colobus monkeys are found in small groups containing multiple breeding males, several females, and their infants.
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| 26. | The male red colobus monkeys group together and place themselves between predators and the group's females and juveniles.
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| 27. | Inside these tents, primates like colobus monkeys and red-capped mangabeys can play and climb on twisting vines.
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| 28. | The black colobus monkey is found in Equatorial Guinea, south west Cameroon and central and north-western Gabon.
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| 29. | The zoo s animal collection was expanded to include mandrills, a colobus monkey, and two African lion cubs.
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| 30. | Gestation is about 6 months for colobus monkeys and one female has about 1 2 new-born every two years.
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