Abstract
During the wet season, two sympatric species of primates,Alouatta palliata (mantled howlers) andCebus capucinus (white-faced capuchins), were assayed for feeding niche differences through behavioral and habitat use patterns at Refugio de Fauna Silvestre Curu in Costa Rica. Differences in the use of relative diameter and thickness of branches and five different modes of feeding were compared between the species. White-faced capuchins used more manipulative modes of obtaining food, a wider range of arboreal habitat, and had a more diverse diet than mantled howlers. Mantled howlers may be more restricted than white-faced capuchins in arboreal microhabitat use due to their possible need for large support branches during feeding bouts and resting periods. We report that differences in feeding behaviors, diet, and arboreal habitat use seem to play a large role in separating these species niches.
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Tomblin, D.C., Cranford, J.A. Ecological niche differences betweenAlouatta palliata andCebus capucinus comparing feeding modes, branch use, and diet. Primates 35, 265–274 (1994). https://doi.org/10.1007/BF02382724
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DOI: https://doi.org/10.1007/BF02382724