Abstract
The locomotor patterns of red colobus monkeys (Colobus badius) were scored under three different conditions: normal daily activities, in sight of a terrestrial predator, and after the playback of a crowned hawk-eagle call. Relative to the normal movement activities, the terrestrial and avian predator experiments showed fleeing movements to be very rapid with an increase in the frequency of leaping and vertical bounding. Movement distances also increased in response to the avian playback experiments. Although rare, it is possible that rapid movements may better reflect anatomical design than movements during normal daily activities.
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Gebo, D.L., Chapman, C.A., Chapman, L.J. et al. Locomotor response to predator threat in red colobus monkeys. Primates 35, 219–223 (1994). https://doi.org/10.1007/BF02382057
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DOI: https://doi.org/10.1007/BF02382057