Results 11 to 20 of about 2,628 (173)

Bilateral Leydig Cell Tumor in a Capuchin Monkey (Sapajus apella): Case Report. [PDF]

J Med Primatol
ABSTRACT Leydig cell tumors (LCTs) are uncommon in nonhuman primates (NHPs). A bilateral LCT was identified in a 20‐year‐old male capuchin monkey (Sapajus apella) maintained under human care. Ultrasonography revealed a right testicular nodule, while necropsy identified bilateral testicular masses. Histopathology confirmed bilateral LCT.
Favacho ELB, da Silva SF, da Silva JLB, de Oliveira Bezerra DK, Cerqueira VD, Rivero GRC, Júnior PSB.   +6 more
europepmc   +2 more sources

Occurrence of Antibodies Anti-Toxoplasma gondii in Captive Non-Human Primates From Pernambuco State, Brazil. [PDF]

J Med Primatol
ABSTRACT Wildlife captive populations are important tools for threatened species conservation, and early identification of diseases must be prioritized. In this study, we test for the presence of anti‐Toxoplasma gondii antibodies in non‐human primates at a Zoo from Pernambuco State, Brazil.
Silva MA, Pena HFJ, Soares HS, Souza DS, Gennari SM, Silva JCR.   +5 more
europepmc   +2 more sources

ON LOSS AVERSION IN CAPUCHIN MONKEYS [PDF]

Journal of the Experimental Analysis of Behavior, 2008
Chen, Lakshminarayanan, and Santos (2006) claim to show in three choice experiments that monkeys react rationally to price and wealth shocks, but, when faced with gambles, display hallmark, human‐like biases that include loss aversion. We present three experiments with monkeys and humans consistent with a reinterpretation of their data that attributes ...
Alan, Silberberg, Peter G, Roma, Mary E, Huntsberry, Frederick R, Warren-Boulton, Takayuki, Sakagami, Angela M, Ruggiero, Stephen J, Suomi   +6 more
openaire   +3 more sources

Primate richness and abundance is driven by both forest structure and conservation scenario in Costa Rica.

PLoS ONE, 2023
Variation in tropical forest management directly affects biodiversity and provisioning of ecosystem services on a global scale, thus it is necessary to compare forests under different conservation approaches such as protected areas, payments for ...
Christopher Eric Johnson, Kathryn A Tafoya, Peter Beck, Amy Concilio, Kurt E White, Rodolfo Quirós, Michael D Wasserman   +6 more
doaj   +1 more source

Endowment effect in capuchin monkeys [PDF]

Philosophical Transactions of the Royal Society B: Biological Sciences, 2008
In humans, the capacity for economically rational choice is constrained by a variety of preference biases: humans evaluate gambles relative to arbitrary reference points; weigh losses heavier than equally sized gains; and demand a higher price for owned goods than for equally preferred goods that are not yet owned. To date, however,
Lakshminaryanan, Venkat, Keith Chen, M, Santos, Laurie R   +2 more
openaire   +2 more sources

Variation in personality can substitute for social feedback in coordinated animal movements

Communications Biology, 2021
Planas-Sitjà, Deneubourg and Cronin use a theoretical approach to examine the importance of personality and feedback in the emergence of collective movement decisions in animal groups.
Isaac Planas-Sitjà, Jean-Louis Deneubourg, Adam L. Cronin   +2 more
doaj   +1 more source

Unexpected rabies variant identified in kinkajou (Potos flavus), Mato Grosso, Brazil

Emerging Microbes and Infections, 2020
A second case of a novel rabies variant described once in a capuchin monkey from Mato Grosso, Brazil, was discovered in a rabid wild kinkajou from the same region, indicating a public health risk following exposure to either of the two animals.
Paulo Ricardo Dell’Armelina Rocha, Andres Velasco-Villa, Ernani Machado de Lima, Angela Salomoni, Alice Fusaro, Eunice da Conceição Souza, Risia Lopes Negreiros, Vera Lúcia Zafino, Gianpiero Zamperin, Stefania Leopardi, Isabella Monne, Paola De Benedictis   +11 more
doaj   +1 more source

Identification of multiple TAR DNA binding protein retropseudogene lineages during the evolution of primates

Scientific Reports, 2022
The TAR DNA Binding Protein (TARDBP) gene has become relevant after the discovery of its several pathogenic mutations. The lack of evolutionary history is in contrast to the amount of studies found in the literature.
Juan C. Opazo, Kattina Zavala, Luis Vargas-Chacoff, Francisco J. Morera, Gonzalo A. Mardones   +4 more
doaj   +1 more source

Capuchin monkeys are sensitive to others' welfare [PDF]

Current Biology, 2008
SummaryHumans demonstrate altruistic behaviors in a variety of contexts [1,2], but there is growing experimental evidence that our closest living primate relative, the chimpanzee, does not always share our human prosocial tendencies [3,4]. Although chimpanzees behave cooperatively in some contexts, there is growing evidence that chimpanzees are ...
Lakshminarayanan, Venkat R., Santos, Laurie R.   +1 more
openaire   +2 more sources

Cebus apella (Primata: Cebidae) as a new host for Fonsecalges johnjadini (Acari: Psoroptidae, Cebalginae) with a description of anatomopathological aspects

Memorias do Instituto Oswaldo Cruz, 2001
Mites collected from the auditory canal of Cebus apella (capuchin monkey), family Cebidae, were identified as Fonsecalges johnjadini (Psoroptidae, Cebalginae). It is the first record of this parasite from this monkey. This paper emphasizes the importance
Luciana Guerim, Gilberto Salles Gazêta, Nicolau Maués Serra-Freire, Lilian Marques de Sá, José Luis Catão Dias   +4 more
doaj   +1 more source