Results 61 to 70 of about 2,094 (177)

The Infection Rates of Trypanosomes in Squirrel Monkeys at Two Sites in the Brazilian Amazon

Memorias do Instituto Oswaldo Cruz, 1997
A study was conducted to determine the prevalence of natural infections by trypanosome species in squirrel monkeys: Saimiri sciureus (Linnaeus) and Saimiri ustus (Geoffroy) caught respectively near 2 hydroelectric plants: Balbina, in the State of ...
Mariangela Ziccardi, Ricardo Lourenço-de-Oliveira   +1 more
doaj   +1 more source

Video‐Sound Recording Devices Reveal Multiple Drivers of Nocturnal Vocalizations in Tibetan Macaques

Ecology and Evolution, Volume 15, Issue 12, December 2025.
This study investigates the nocturnal vocal behavior of Tibetan macaques in Huangshan, China, using 4G infrared cameras and passive acoustic monitoring (PAM). Findings reveal a bimodal vocalization pattern (18:00–19:00 and 21:00–23:00), influenced by sex, age, social centrality, kinship, and ecological factors such as wind direction, temperature, and ...
Xin Gao, Tong Zhang, Jingjing Wang, Dongxin Yang, Xue Chen, Peipei Yang, Wenbo Li, Binghua Sun, Dongpo Xia, Jinhua Li, Xi Wang   +10 more
wiley   +1 more source

Fibrosarcoma on the leg of an adult rhesus macaque (Macaca mulatta)

Veterinary Record Case Reports, Volume 13, Issue 4, December 2025.
Abstract This case describes a fibrosarcoma on the left upper leg of an adult female rhesus macaque. The patient was initially presented with a defined swelling at the caudolateral side of the upper leg. Medially from the growth, a swollen circular wound had formed with a fistula leading in the direction of the mass.
Merel Wegman, Nadiah M. H. A. van Eijk, Jaco Bakker, Judith M. A. van den Brand, Jan A. M. Langermans   +4 more
wiley   +1 more source

Saimiri sciureus

Saimiri sciureus (Linnaeus, 1758). Syst. Nat., 10th ed., 1:29.TYPE LOCALITY: French Guyana, Cayenne.DISTRIBUTION: N Brazil, Marajo Isl (Brazil), Guyana, French Guiana, Surinam, Venezuela, Colombia, E Ecuador, NE Peru.STATUS: CITES - Appendix II.SYNONYMS: albigena, caquetensis, cassiquiarensis, collinsi, juruana, leucopsis, lunulatus, macrodon ...
openaire   +4 more sources

Replicación de los cromosomas sexuales de Saimiri sciureus

Acta Biológica Colombiana, 2004
El comportamiento de replicación tardía de los cromosomas sexuales de 19 individuos de la especie Saimiri sciureus fue estudiado utilizando cultivos de linfocitos sometidos a un pulso terminal de BrdU.
María Paulina Cabarcas M., Marta Lucía Bueno   +1 more
doaj  

Origem e distribuição do plexo braquial de Saimiri sciureus

Pesquisa Veterinária Brasileira, 2012
Os autores descreveram a origem e composição do plexo braquial de quatro Saimiri sciureus, pertencentes ao Centro Nacional de Primatas (Cenp), Ananindeua/PA, os quais foram fixados com formaldeído e dissecados.
Elenara B. Araújo, Ana R. Lima, Luane L. Pinheiro, José A.P.C. Muniz, Aline Imbeloni, Érika Branco   +5 more
doaj   +1 more source

Close encounters of the friendly kind: pacific between‐group interactions in primates

Biological Reviews, Volume 100, Issue 6, Page 2257-2284, December 2025.
ABSTRACT While intergroup conflict features prominently in the behavioural ecology literature, its antonym, intergroup peace, has been a rather neglected phenomenon until recently. Neighbourly relations and affiliative interactions are far from uncommon.
Cyril C. Grueter, Luca Pozzi
wiley   +1 more source

Susceptibility of peritoneal macrophage from different species of neotropical primates to Ex vivo Leishmania (L.) infantum chagasi-infection

Revista do Instituto de Medicina Tropical de São Paulo, 2012
This study examined the susceptibility of peritoneal macrophage (PM) from the Neotropical primates: Callithrix jacchus, Callithrix penicillata, Saimiri sciureus, Aotus azarae infulatus and Callimico goeldii to ex vivo Leishmania (L.) infantum chagasi ...
Liliane Almeida Carneiro, Márcia Dalastra Laurenti, Marliane Batista Campos, Claudia Maria de Castro Gomes, Carlos Eduardo Pereira Corbett, Fernando Tobias Silveira   +5 more
doaj   +1 more source

A Guidance for Diagnosis, Control Measures, and Surveillance of Leptospirosis in Non‐Human Primates From a Veterinary Perspective in a One‐Health Approach

Journal of Medical Primatology, Volume 54, Issue 6, December 2025.
ABSTRACT Leptospirosis is an emerging zoonotic disease caused by pathogenic Leptospira spp., affecting a wide range of domestic and wild mammals including nonhuman primates (NHPs). Despite rising incidence rates in both NHPs and humans, there is a lack of comprehensive resources addressing leptospirosis in NHPs from a veterinary perspective in a One ...
Annemiek Maaskant, Margot Morel, Sherrie Jean, Bon‐sang Koo, Siavash Noor, Luiz Cesar Cavalcanti Pereira da Silva, John Chipangura, Francis Vercammen, Remco A. Nederlof, Jaco Bakker   +9 more
wiley   +1 more source

On the A. malaris of the Common Squirrel Monkey (Saimiri sciureus)

Okajimas Folia Anatomica Japonica, 1989
Detailed observations were made of the a. malaris in 11 adult common squirrel monkeys (Saimiri sciureus) utilizing the plastic injection method. The malar artery was well-developed in all 21 examples observed and arose medially from the infraorbital artery proximal to the entrance of the infraorbital canal and lateral to the obliquus inferior muscle ...
openaire   +3 more sources