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Animals that live under human care are in captivity. Captivity can be used as a generalizing term to describe the keeping of either domesticated animals or wild animals. This may include for example farms private homes zoos and laboratories. Keeping animals in human captivity and under human care can thus be distinguished between three primary categories according to the particular motives objectives and conditions.
One type of abnormal behaviour is stereotypical behaviors repetitive and apparently purposeless motor behaviors. Examples of stereotypical behaviours include pacing self-injury route tracing and excessive self-grooming. These behaviors are associated with stress and lack of stimulation. Many who keep animals in captivity attempt to prevent or decrease stereotypical behavior by introducing stimuli a process known as environmental enrichment.
A type of abnormal behavior shown in captive animals is self-injurious behavior. Self-injurious behavior indicates any activity that involves biting, scratching hitting hair plucking or eye poke that may result in injuring oneself. Although its reported incidence is low self-injurious behavior is observed across a range of primate species especially when they experience social isolation in infancy. Self-bite involves biting one’s own body typically the arms legs shoulders or genitals. Threat bite involves biting one’s own body typically the hand wrist or forearm while staring at the observer conspecific or mirror in a threatening manner. Self-hit involves striking oneself on any part of the body. Eye poking is a behavior that presses the knuckle or finger into the orbital space above the eye socket. Hair plucking is a jerking motion applied to one’s own hair with hands or teeth resulting in its excessive removal.
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