11 Result(s)
within
João Pedro Souza-Alves
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Article
A new addition to the toolbox: stone tool use in blonde capuchin monkeys (Sapajus flavius)
The use of tools played a central role in human culture and evolution. Early studies with apes demonstrated the tool use; however, currently the works have focused on Platyrrhine, particularly capuchin monkeys...
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Article
Throat-to-Chest Behavior in Coimbra-Filho’s Titi Monkeys (Callicebus coimbrai) Is Potentially Associated with Olfactory Communication
Despite the evident socioecological importance, knowledge of olfactory communication in Neotropical primates is in its infancy. Thus, to aid our understanding, we report on and describe olfactory communication...
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Article
Studies of Titi Conservation Ecology in the Past, Present and Future: An Editors’ Introduction to the Special Issue
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Article
The Density of Callicebus coimbrai is Better Predicted by Vegetation Structure Variables than by Surrounding Landscape
Primate population density often varies considerably between sites, reflecting differences in site conditions and resource availability. Understanding these differences may provide important insights for habit...
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Article
Direct links between resource availability and activity budget better reveal ecological patterns of endangered Coimbra-Filho’s titi monkey
Many primatological studies do not assess direct indexes of food availability to make inferences about behavioral strategies. We related the diet and behavior of a group of Callicebus coimbrai in northeastern Bra...
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Article
For emergency only: terrestrial feeding in Coimbra-Filho’s titis reflects seasonal arboreal resource availability
Terrestriality in Platyrrhine primates is primarily associated with low arboreal resource availability, low predation risk when on the ground and increased contact time with human observers. To test the relati...
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Article
Terrestrial Behavior in Titi Monkeys (Callicebus, Cheracebus, and Plecturocebus): Potential Correlates, Patterns, and Differences between Genera
For arboreal primates, ground use may increase dispersal opportunities, tolerance to habitat change, access to ground-based resources, and resilience to human disturbances, and so has conservation implications...
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Article
Should I store, or should I sync? The breeding strategy of two small Neotropical primates under predictable resource availability
Primates employ many strategies to deal with the costs of reproduction. While income breeders exploit the food available in their environment during lactation, the most costly phase of reproduction, capital br...
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Article
Food-sharing behaviour within a group of free-living Endangered Coimbra-Filho’s titi monkeys
Socioecological studies related to food-sharing behaviours in titi monkeys are scarce, with no such reports for the Endangered Coimbra-Filho’s titi monkey, Callicebus coimbrai. We aimed to describe the pattern of...
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Chapter
Living on the Edge: Habitat Fragmentation at the Interface of the Semiarid Zone in the Brazilian Northeast
The Brazilian Northeast is dominated by the Caatinga, a xeric scrub forest characterized by “semiarid” climatic conditions, with annual precipitation often below 600 mm, and an unpredictable rainy season. Nort...
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Article
Use of slee** sites by a titi group (Callicebus coimbrai) in the Brazilian Atlantic Forest
Predation pressure affects most aspects of primate behaviour, and is especially pronounced in the context of the use of slee** sites, given the vulnerability of the animal at this time. Most small-bodied pla...
