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Response toward novel stimuli in a group of tufted capuchins (Cebus libidinosus) in Brasilia National Park, Brazil

Article Abstract:

The responses to novelty of a group of wild capuchins living in Brasilia National Park, Brazil, are investigated. Results show that responsiveness to novelty in capuchins is influenced by the species' predisposition as well as by individual experience, thereby supporting the view that neophilia (exploratory) and neophobia (cautious) might be two motivationally independent responses.

Public affairs, Brazil, Social aspects, Analysis, Behavior, Social behavior in animals, Animal social behavior, Reaction time, Reaction time (Psychology), Animal social behaviour

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Hand use by tufted capuchins (Cebus apella) to extract a small food item from a tube: Digit movements, hand preference, and performance

Article Abstract:

The capuchins' differential use of hands and digits to remove small food item from a narrow tube and hand posture used during reaching and the finger movements used for extracting and grasping actions is described. It was noticed that the left hand was faster than the right hand in retrieving food in adults but not in immature individuals.

Animal feeding behaviour, Animal feeding behavior

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Progesterone, but not Luteal Estrogen, is required for the establishment of pregnancy in the New World Monkey Cebus apella

Article Abstract:

A study to examine the requirement of luteal estrogen for the establishment of pregnancy in the Cebus monkey is presented. The results conclude that in Cebus monkey's progesterone and not luteal estradiol is needed for establishing pregnancy.

Pharmaceutical Preparation Manufacturing, Pharmaceutical preparations, Estrogen & Progestogen Preps, Pregnancy, Estrogen, Estrogens, Progesterone, Luteal phase, Report

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