NDLI: Patch depletion behavior differs between sympatric folivorous primates

Content Provider	Springer Nature Link
Author	Tombak, Kaia J. Reid, Andrea J. Chapman, Colin A. Rothman, Jessica M. Johnson, Caley A. Reyna Hurtado, Rafael
Copyright Year	2011
Abstract	Food competition in group-living animals is commonly accepted as a critical determinant of foraging strategies and social organization. Here we examine food patch depletion behavior in a leaf-eating (folivorous) primate, the guereza (Colobus guereza). Snaith and Chapman (2005) studied the sympatric folivorous red colobus (Procolobus rufomitratus), which shares many food resources with the guereza. They determined that red colobus deplete the patches (feeding trees) they use, while we found contrary evidence for guerezas using the same methods. We found that the time guerezas spent feeding in a patch was affected by neither tree size, an indicator of food abundance, nor the size of the feeding group, an indicator of feeding competition. For their principal food item (young leaves), intake rate remained constant and coincided with a decrease in the distance moved to find food within a patch, implying that guerezas do not deplete patches. This points to a fundamental difference in the use of food by guerezas and red colobus, which may be linked to the large difference in their group sizes and/or to a disparity in their digestive physiologies. However, further analyses revealed that the number of feeders within a patch did not affect patch depletion patterns in either species, leaving the potential for a physiological basis as the most plausible explanation. Our research highlights the need for a more critical examination of folivorous primate feeding ecology and social behavior, as all folivorous primates are typically lumped into a single category in socioecological models, which may account for conflicting evidence in the literature.
Starting Page	57
Ending Page	64
Page Count	8
File Format	PDF
ISSN	00328332
Journal	Primates
Volume Number	53
Issue Number	1
e-ISSN	16107365
Language	English
Publisher	Springer Japan
Publisher Date	2011-09-10
Publisher Place	Japan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Black and white colobus Colobus guereza Folivore paradox Group size Kibale National Park Animal Ecology Zoology Behavioural Sciences Evolutionary Biology
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology

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