Abstracts » Psychology and mental health

Reconciliation in wild white-faced capuchins (Cebus capucinus)

Article Abstract:

The likelihood of reconciliation is predicted to vary positively with relationship value and compatibility, and negatively with relationship security. Research carried out at the Lomas Barbudal Biological Research (LBBR) on the wild white-faced capuchins (Cebus capucinus) indicate that dyads consisting of an adult female and an alpha male have high value of compatibility, but low security.

United States, Social behavior in animals, Animal social behavior, Animal social behaviour

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Color vision polymorphism in wild capuchins (Cebus capucinus) and spider monkeys (Ateles geoffroyi) in Costa Rica

Article Abstract:

Color vision typing by analyzing fecal DNA from two wild gropes of white-faced monkeys, Cebus capucinus, and one group of black-handed spider monkeys, Ateles geoffroyi, in Costa Rica is conducted to understand the relationship between vision and behavior. The results suggest that the color vision polymorphism can be easily distorted by natural factors, such as inbreeding.

Costa Rica, Physiological aspects, Genetic aspects, Color vision, Spider monkeys, Colour perception

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Wild Capuchins (Cebus capucinus) fail to use tools in an experimental field study

Article Abstract:

An experimental field study of tool use was conducted in a group of fifteen wild white-faced capuchins, in Costa Rica. The results of the experiment indicated that, the capuchins did not use a tool to solve a novel foraging problem.

Animal experimentation

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