Results 81 to 90 of about 8,185 (217)
Specialized for the Reach: Visual Control of Fruit Picking and Positional Behavior Favor a Reach Over a Grasp Phenotype for Geoffroy's Spider Monkey (Ateles geoffroyi) [PDF]
Animal Behavior and CognitionThe Geoffroy’s spider monkey (Ateles geoffroyi) has distinctive features, including a vestigial external thumb, elongated fingers and forelimbs, and a prehensile tail.
Ian Q. Whishaw +7 more
doaj +1 more source
Animals as reflexive thinkers: The aponoian paradigm [PDF]
, 2017 The ability to engage in reflexive thought—in thought about thought or about other mental states more generally—is regarded as a complex intellectual achievement that is beyond the capacities of most nonhuman animals. To the extent that reflexive thought
Monsó, Susana, Rowlands, Mark
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Wildlife Biology, Volume 2026, Issue 3, May 2026.Intergroup conflicts have a wide range of impacts, including affecting movement and ranging patterns. Previous studies found contrasting movement responses to intergroup conflicts, but no explanation for these differences has been suggested. However, these can be broadly grouped into ‘conflict avoidance' responses: avoiding areas close to the fight ...
Elizabeth F. R. Preston +3 more
wiley +1 more source
Natural infection by Microsporum canis in a capuchin monkey
Ciência Rural: This paper described a case of a capuchin monkey (Sapajus libidinosus) with non-pruritic skin lesions. During the physical examination, multifocal areas of alopecia with crusts, erythema and scaling compatible with dermatophytosis were reported on the ...
Stéphanie Machado Mota +5 more
doaj +1 more source
To Merge or not: The Early Onto‐ and Phylogenetic Origin of Co‐Representation
Developmental Science, Volume 29, Issue 3, May 2026.ABSTRACT The origin of co‐representation during joint action poses a puzzle: It apparently only emerges around the age of four in humans, suggesting it is cognitively demanding, but has also been demonstrated in several nonhuman primate species whose cognitive skills do not match human four‐year‐olds.
Fabia M. Miss +3 more
wiley +1 more source
Wild capuchin monkeys use stones and sticks to access underground food
Scientific ReportsPrimates employ different tools and techniques to overcome the challenges of obtaining underground food resources. Humans and chimpanzees are known to tackle this problem with stick tools and one population of capuchin monkeys habitually uses stone tools.
Tatiane Valença +2 more
doaj +1 more source
Morphology of the shoulder muscles in Sapajus apella (Primates: Cebidae) [PDF]
Biotemas, 2013 The study of nonhuman primates has been very important, due to the similarities with the human species. Many animal species, especially primates, have been used in medical and biological researches.
Mariana Oliveira Lima +6 more
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Gestural Sequences in Wild Spider Monkeys (Ateles geoffroyi)
American Journal of Primatology, Volume 88, Issue 4, April 2026.Geoffroy's spider monkeys produce gestural sequences in the wild, mostly during aggressive, playful and sexual interactions. ABSTRACT To date, research on gestural communication in species other than great apes has been quite limited, especially in their natural habitat, although including a broader range of species in different settings is essential ...
Eva Corral +4 more
wiley +1 more source
Revista da Sociedade Brasileira de Medicina Tropical, 2019 INTRODUCTION: Goiás State, which is in the midwest region of Brazil, has several urban forests. This fact, along with the expansion of urban areas within the limits of Forest Conservation Units, increases the contact between humans and wildlife, such as
Elisângela de Albuquerque Sobreira +8 more
doaj +1 more source
The Evolution of Our Preferences: Evidence from Capuchin-Monkey Trading Behavior [PDF]
Behavioral economics has demonstrated systematic decision-making biases in both lab and field data. But are these biases learned or innate? We investigate this question using experiments on a novel set of subjects — capuchin monkeys.
Laurie Santos +2 more
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