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|Title:||Terrestrial foraging by cacajao melanocephalus ouakary (primates) in Amazonian Brazil: Is choice of seed patch size and position related to predation risk?|
|Authors:||Barnett, Adrian Ashton|
Spironello, Wilson Roberto
Silva, Welma Sousa
MacLarnon, Ann M.
|metadata.dc.relation.ispartof:||Volume 83, Número 2, Pags. 126-139|
|Abstract:||We analyse the behaviour of Cacajao melanocephalus ouakary feeding at patches of germinating seedlings in dried-out flooded forest. Seedlings of Eschweilera tenuifolia (Lecythidaceae) were the most commonly eaten (88.9%). Some seed patches were revisited over several days, while others were consistently ignored. We tested 3 predictions relating uacari terrestrial foraging behaviour to: (1) arboreal escape route proximity, (2) seed patch size choice and (3) temporal patterns of repeat exploitation. Comparison of fed-at and ignored patches revealed significant preferences for larger patches, and for those close to arboreal refuges but distant from dense ground-based vegetation. Support for these predictions is interpreted as evidence for predation risk-sensitive foraging. © 2012 S. Karger AG, Basel.|
|Appears in Collections:||Artigos|
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