Results 21 to 30 of about 7,798 (215)

STUDYING PRIMATES IN EASTERN COLOMBIA: THIRTY FIVE YEARS OF A PRIMATOLOGICAL LIFE

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 2023
A history of some details the author´s research in eastern Colombia is presented for the last 27 years since 1977 in Vichada, Vaupés, Amazonas and most recently in Meta up to the present.
Thomas Richard Defler
doaj   +1 more source

Postconflict Behaviour in Brown Capuchin Monkeys (Cebus apella) [PDF]

open access: yesFolia Primatologica, 2009
Postconflict affiliation has been mostly studied in Old World primates, and we still lack comparative research to understand completely the functional value of reconciliation. Cebus species display great variability in social characteristics, thereby providing a great opportunity for comparative studies.
Daniel, João Rodrigo   +2 more
openaire   +3 more sources

Anatomia comparativa dos nervos do braço de Cebus apella. Descrição do músculo dorsoepitroclear - DOI: 10.4025/actascibiolsci.v27i3.1338

open access: yesActa Scientiarum: Biological Sciences, 2008
A anatomia do Cebus apella é a lacuna que falta entre prossímios e os macacos do novo mundo. Comparações entre Cebus e humanos são relatadas, dentre outras considerações comparativas em relação a chimpanzés, babuínos, gatos e cães.
Tales Alexandre Aversi-Ferreira   +4 more
doaj   +1 more source

Proximate factors underpinning receiver responses to deceptive false alarm calls in wild tufted capuchin monkeys: is it counterdeception? [PDF]

open access: yes, 2012
Previous research demonstrates that tufted capuchin monkeys use terrestrial predator alarm calls in a functionally deceptive manner to distract conspecifics when feeding on contestable resources, although the success of this tactic is limited because ...
Byrne RW   +8 more
core   +1 more source

A phylogenomic perspective on the robust capuchin monkey (Sapajus) radiation : first evidence for extensive population admixture across South America [PDF]

open access: yes, 2018
Phylogenetic relationships amongst the robust capuchin monkeys (genus Sapajus) are poorly understood. Morphology-based taxonomies have recognized anywhere from one to twelve different species.
Aleixo, A   +11 more
core   +1 more source

Preliminary study to investigate the Delboeuf illusion in ring-tailed lemurs (Lemur catta): Methodological challenges [PDF]

open access: yes, 2017
Visual illusions are commonly used in animal cognition studies to compare visual perception among vertebrates. To date, researchers have focused their attention mainly on birds and mammals, especially apes and monkeys, but no study has investigated ...
Agrillo, Christian   +4 more
core   +3 more sources

Leishmaniose cutânea experimental: I - sobre a susceptibilidade do primata Cebus apella (Cebidae) a infecção pela Leishmania (Viannia) lainsoni Silveira, Shaw, Braga e Ishikawa, 1987

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 1989
Foi investigada a susceptibilidade do primata Cebus apella (Cebidae) à infecção experimental pela Leishmaiua (Viannia) lainsoni, com o objetivo de estudara patogenia desse parasita, ainda pouco conhecido para o homem. Dessa forma, cinco espécimens jovens
Fernando T. Silveira   +6 more
doaj   +3 more sources

Abstract knowledge in the broken-string problem : evidence from nonhuman primates and pre-schoolers [PDF]

open access: yes, 2014
There was funding from the Royal Commission for the Exhibition of 1851.There is still large controversy about whether abstract knowledge of physical problems is uniquely human.
Albiach-Serrano, Anna   +5 more
core   +4 more sources

Rates of agonism among female primates: a cross-taxon perspective [PDF]

open access: yes, 2013
Agonism is common in group-living animals, shaping dominance relationships and ultimately impacting individual tness. Rates of agonism vary considerably among taxa, however, and explaining this variation has been central in ecological models of female ...
Altmann   +131 more
core   +1 more source

New records and confirmation of the presence of three species of primates (Mammalia, Primates) in southwestern Colombia [PDF]

open access: yesCheck List, 2020
Cebus albifrons (Humboldt, 1812); Sapajus apella (Linnaeus, 1758) and Aotus lemurinus I. Geoffroy, 1843 are widely distributed primates in Colombia. Despite this, there are gaps in the occurrence of these species in the southwestern part of the country ...
Héctor E. Ramírez-Chaves   +7 more
doaj   +3 more sources

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