Results 61 to 70 of about 4,329 (158)

Is Mixed-Species Living Cognitively Enriching? Enclosure Use and Welfare in Two Captive Groups of Tufted Capuchins (Sapajus apella) and Squirrel Monkeys (Saimiri sciureus) [PDF]

open access: yes, 2017
Non-human primates have complex relationships with conspecifics and also other animals with whom they share their habitat in the wild. Some primates, such as capuchin monkeys (Sapajus apella) and squirrel monkeys (Saimiri sciureus), naturally associate ...
Daoudi, Sophia   +9 more
core   +1 more source

Descrição morfológica dos ramos colaterais viscerais da aorta abdominal do macaco-de-cheiro Morphological description of the collateral visceral branches from abdominal aorta of squirrel monkey

open access: yesCiência Rural, 2011
O Saimiri sciureus é um primata não humano existente na região amazônica e não consta na lista de animais em perigo de extinção, de acordo com o IBAMA. Neste trabalho, sistematizou-se os ramos colaterais viscerais da aorta abdominal de seis animais sendo
Maria Rogéria Menezes da Silva   +6 more
doaj   +1 more source

Tolman's Sunburst Maze 80 Years on: A Meta‐Analysis Reveals Poor Replicability and Little Evidence for Shortcutting

open access: yesEuropean Journal of Neuroscience, Volume 63, Issue 1, January 2026.
In 1946, Tolman et al. reported that rats could take a novel shortcut to a goal after training on an indirect route, supporting the Cognitive Map theory. However, a review of subsequent Sunburst maze studies shows this is an outlier: shortcutting has been observed in only a relatively small fraction of experiments.
Éléonore Duvelle, Roddy M. Grieves
wiley   +1 more source

Primatas da Reserva Biológica do Lago Piratuba, Amapá, Brasil: ocorrência, conflitos e ameaças

open access: yesBiodiversidade Brasileira, 2017
Embora a Reserva Biológica do Lago Piratuba (RBLP) seja uma unidade de conservação de proteção integral, há incidências de pressões e ameaças que podem comprometer a conservação de sua biota. Neste trabalho, avaliou-se a presença de primatas na RBLP por
Eduardo Marques Santos Júnior   +4 more
doaj   +3 more sources

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

open access: yesMemorias 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   +1 more
doaj   +1 more source

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

open access: yesEcology 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   +10 more
wiley   +1 more source

An inexpensive Plexiglas metabolism cage for the squirrel monkey (Saimiri sciureus)

open access: yes, 1975
A light, sturdy, and inexpensive metabolism cage for use with the squirrel monkey (saimiri sciureus) is described. The design allows for efficient urine and feces separation, ease of maintenance, and little interference with individual and social ...
W. L. Cunningham   +2 more
core   +1 more source

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

open access: yesVeterinary 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   +4 more
wiley   +1 more source

Replicación de los cromosomas sexuales de Saimiri sciureus

open access: yesActa 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.   +1 more
doaj  

Origem e distribuição do plexo braquial de Saimiri sciureus

open access: yesPesquisa 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   +5 more
doaj   +1 more source

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