Alveolar Echinococcosis Infection in a Monkey (Ateles Geoffroyi) In Mashhad, Iran [PDF]
Alveolar echinococcosis (AE), which is caused by ingestion of eggs of the fox tapeworm Echinococcus multilocularis, is the most potentially lethal parasitic infection because of its tendency to invade and proliferate in the liver and the difficulty in ...
H Kazemi Mehrjerdi +5 more
doaj +6 more sources
Dietary ethanol ingestion by free-ranging spider monkeys (Ateles geoffroyi) [PDF]
Ethanol within ripe and over-ripe fruit is produced naturally through the metabolic activity of fermentative yeasts. As a consequence, frugivorous animals may chronically consume ethanol as part of their routine diet, although direct measurements of such
Christina J. Campbell +3 more
doaj +6 more sources
Yawning and scratching contagion in wild spider monkeys (Ateles geoffroyi) [PDF]
Behavioural contagion is a widespread phenomenon in animal species, which is thought to promote coordination and group cohesion. Among non-human primates, however, there is no evidence of behavioural contagion in Platyrrhines (i.e.
Sara Valdivieso-Cortadella +4 more
doaj +6 more sources
Serial visual reversal learning in captive black-handed spider monkeys, Ateles geoffroyi [PDF]
Recent research suggests that socio-ecological factors such as dietary specialization and social complexity may be drivers of advanced cognitive skills among primates. Therefore, we assessed the ability of 12 black-handed spider monkeys (Ateles geoffroyi)
Jules Dorschner +2 more
doaj +4 more sources
The ability of captive spider monkeys, Ateles geoffroyi, to visually discriminate between different sizes of food and of non-edible objects [PDF]
Field studies suggest that the size of potential food items plays an important role in the food selection behavior of nonhuman primates. However, there is only limited knowledge about how good primates are at visually discriminating between the size of ...
Anne-Sophie van Herwijnen +2 more
doaj +4 more sources
Influence of tannic acid concentration on the physicochemical characteristics of saliva of spider monkeys (Ateles geoffroyi) [PDF]
Tannins are a chemical defense mechanism of plants consumed by herbivores. Variations in salivary physicochemical characteristics such as pH, total protein concentration (TP), and presence of proline-rich proteins (PRPs) in animals have been reported as ...
Carlos Eduardo Ramírez-Torres +5 more
doaj +4 more sources
Tractography of the spider monkey (Ateles geoffroyi) corpus callosum using diffusion tensor magnetic resonance imaging. [PDF]
The objective of this research was to describe the organization, connectivity and microstructure of the corpus callosum of the spider monkey (Ateles geoffroyi). Non-invasive magnetic resonance imaging and diffusion-tensor imaging were obtained from three
Diana Platas-Neri +5 more
doaj +4 more sources
Salivary response of Geoffroy’s spider monkeys (Ateles geoffroyi) to consumption of plant secondary metabolites [PDF]
Geoffroy’s spider monkeys (Ateles geoffroyi) can modulate the acidity-alkalinity (pH) and salivary expression of total proteins (TP) and proline-rich proteins (PRPs) depending on the concentration of tannins in their diet, helping to counteract negative ...
Carlos Eduardo Ramírez-Torres +5 more
doaj +4 more sources
Site fidelity in space use by spider monkeys (Ateles geoffroyi) in the Yucatan peninsula, Mexico. [PDF]
Animal home ranges may vary little in their size and location in the short term but nevertheless show more variability in the long term. We evaluated the degree of site fidelity of two groups of spider monkeys (Ateles geoffroyi) over a 10- and 13-year ...
Gabriel Ramos-Fernandez +4 more
doaj +6 more sources
Traditions in spider monkeys are biased towards the social domain. [PDF]
Cross-site comparison studies of behavioral variation can provide evidence for traditions in wild species once ecological and genetic factors are excluded as causes for cross-site differences.
Claire J Santorelli +6 more
doaj +11 more sources

