Results 11 to 20 of about 1,875 (168)

Gestural Sequences in Wild Spider Monkeys (Ateles geoffroyi). [PDF]

open access: yesAm J Primatol
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 ...
Corral E   +4 more
europepmc   +2 more sources

Anatomical Description of the Main Gyri and Sulci of the Telencephalon of Alouatta belzebul. [PDF]

open access: yesAnat Histol Embryol
ABSTRACT The Alouatta belzebul is a species of howler monkey, of the Atelidae family and genus Alouatta. It is endemic in Brazil and has a separate geographic distribution, with two populations occurring: in the Amazon and in the Atlantic Forest on the coast of Northeast Brazil. The species is classified as ‘vulnerable’, and this is mainly justified by
Pereira DKS   +4 more
europepmc   +2 more sources

Molecular Detection of Toxoplasma gondii in Enclosures of African Primates (Papio papio and Papio hamadryas) at the Municipal Zoo of Bauru, São Paulo State, Brazil. [PDF]

open access: yesJ Med Primatol
ABSTRACT Toxoplasmosis is one of the most prevalent parasitic infections in animals and humans worldwide, attracting the attention of many researchers who, in recent decades, have identified the sources of Toxoplasma gondii infections to optimize the adoption of preventive measures. In previous studies, it has been found that humans are infected mainly
Ribeiro E   +9 more
europepmc   +2 more sources

Monkey Meltdowns: Do Tantrums Influence Maternal Investment in Bearded Capuchin Monkeys? [PDF]

open access: yesDev Psychobiol
ABSTRACT Tantrums are widely discussed in human development literature and are typically defined as displays of frustration or anger. In behavioral ecology, they are hypothesized to function as a strategy for securing greater maternal investment. Infant primates often exhibit tantrums when their attempts to obtain maternal care are rejected.
Cera MB   +5 more
europepmc   +2 more sources

Incidence of leptospirosis in non-human primates at the santarém zoo, Pará, Brazil

open access: yesActa Scientiarum: Animal Sciences, 2023
Leptospirosis is an infectious disease that affects practically all domestic and wild animals, which can become carriers and, as a consequence, will contribute to the spread of the microorganism in nature. The present study aims to detect the occurrence
Raimundo Nonato Colares Camargo Junior   +4 more
doaj   +1 more source

Flexible Foraging Strategies of Hainan Gibbons (<i>Nomascus hainanus</i>) in Response to Food Variation Across Contrasting Habitats. [PDF]

open access: yesEcol Evol
This study, based on long‐term field monitoring and conservation efforts of Hainan gibbons, analyzed their foraging movement strategies across different spatial contexts (Groups C and E) and temporal periods (the fruit‐eating period and the mixed‐diet period).
Yang W   +7 more
europepmc   +2 more sources

Dilated Cardiomyopathy and Aortic Thrombosis in a Capuchin Monkey (Sapajus apella). [PDF]

open access: yesJ Med Primatol
ABSTRACT This case report describes a capuchin monkey (Sapajus apella) that presented with bilateral paralysis and cold hind limbs. Clinical examination, including ultrasound imaging, revealed dilated cardiomyopathy and aortic thrombosis. Macroscopic, histopathological, and immunohistochemical analyses confirmed these findings.
Helm C, Bracke A, Teifke JP, Ulrich R.
europepmc   +2 more sources

Distribución y abundancia de Ateles belzebuth E. Geoffroy y Ateles chamek Humboldt (Cebidae: Primates) en la Reserva Nacional Pacaya Samiria, Perú

open access: yesRevista Peruana de Biología, 2006
En el presente trabajo se dan a conocer las observaciones sobre el hábitat, las asociaciones inter-específicas, tamaño de grupo y densidad poblacional de las dos especies de Ateles que habitan en la Reserva Nacional Pacaya Samiria.
Rolando Aquino, R. E. Bodmer
doaj   +1 more source

Efeitos do trimetilaminoetano (TES) e ringer lactato em sêmen de macacos-aranha mantidos em cativeiro ( Ateles paniscus e A. marginatus)

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2013
The performances of the diluents TES and CEBRAN II were compared as cryopreservatives of semen from non human primates of the genus Ateles. The experiment was carried out using one Ateles marginatus and two Ateles paniscus specimens, males and adults ...
K.S.M. Silva   +5 more
doaj   +1 more source

Sperm Morphology in Neotropical Primates

open access: yesAnimals, 2019
The morphological and morphometric characterization of spermatozoa has been used as a taxonomic and phylogenetic tool for different species of mammals. We evaluated and compared the sperm morphometry of five neotropical primate species: Alouatta caraya ...
Eliana R. Steinberg   +5 more
doaj   +1 more source

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