Ranging behaviour and its relation to diet selection in Tana River Red colobus (Colobus badius rufomitratus) |
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Authors: | C. W. Marsh |
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Affiliation: | Department of Psychology, University of Bristol, U. K. |
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Abstract: | Ranging behaviour of a group of Red colobus monkeys, Colobus badius rufomitratus, on the Tana River, Kenya, is described. The main study group had a mean day journey of 603 in and an annual range area of 9 ha (measured in 0.25 ha quadrats). Relationships between ranging patterns and diet selection are sought on both spatial and temporal dimensions. Differential use of the annual range is related to the distribution of major food species, while the diversity of monthly ranging patterns is inversely related to the availability of young growth in the canopy. These findings lead to a discussion of why range areas at the Tana are much smaller than those reported from rain-forest sites. |
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