Diet in one group of woolly spider monkeys, or muriquis ( Brachyteles arachnoides )

Diet in one group of woolly spider monkeys, or muriquis ( Brachyteles arachnoides ) Data on feeding behavior in one group of muriquis (Brachyteles arachnoides) were collected during a 14 month study at Fazenda Montes Claros, Minas Gerais, Brazil. Muriquis devoted an average of 51% of their annual feeding time to leaves, 32% to fruits, and 11% to flowers. The high proportion of leaves in their diet is consistent with predictions from the energetics of body size. However, they devoted a greater proportion of their feeding time to patchy fruit and flower resources than was expected from comparisons with smaller, sympatric howler monkeys. Muriqui diet varied with the availability of preferred food types across sample months. Fruit and flower consumption corresponded to the availability and abundance of these food resources in the forest. Leaves contributed substantially to muriqui diet throughout the year but appeared to be eaten primarily to provide necessary protein and/or necessary bulk. Male and female diets differed only in the greater proportion of feeding time females devoted to flowers. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Primatology Wiley

Diet in one group of woolly spider monkeys, or muriquis ( Brachyteles arachnoides )

American Journal of Primatology, Volume 23 (2) – Jan 1, 1991

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Publisher
Wiley
Copyright
Copyright © 1991 Wiley‐Liss, Inc., A Wiley Company
ISSN
0275-2565
eISSN
1098-2345
D.O.I.
10.1002/ajp.1350230205
Publisher site
See Article on Publisher Site

Abstract

Data on feeding behavior in one group of muriquis (Brachyteles arachnoides) were collected during a 14 month study at Fazenda Montes Claros, Minas Gerais, Brazil. Muriquis devoted an average of 51% of their annual feeding time to leaves, 32% to fruits, and 11% to flowers. The high proportion of leaves in their diet is consistent with predictions from the energetics of body size. However, they devoted a greater proportion of their feeding time to patchy fruit and flower resources than was expected from comparisons with smaller, sympatric howler monkeys. Muriqui diet varied with the availability of preferred food types across sample months. Fruit and flower consumption corresponded to the availability and abundance of these food resources in the forest. Leaves contributed substantially to muriqui diet throughout the year but appeared to be eaten primarily to provide necessary protein and/or necessary bulk. Male and female diets differed only in the greater proportion of feeding time females devoted to flowers.

Journal

American Journal of PrimatologyWiley

Published: Jan 1, 1991

References

  • Observational study of behavior: Sampling methods
    Altmann, Altmann
  • Foraging strategies among living primates
    Garber, Garber
  • Activity budgets of woolly spider monkeys, or muriquis
    Strier, Strier

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