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Some abnormal behaviours may be related to environmental conditions (e.g. captive housing) whereas others may be due to medical conditions. The list does not include behaviours in animals that are genetically modified to express abnormal behaviour (e.g. reeler mice). A polar bear performing stereotyped pacing.
Stereotypies are repetitive, sometimes abnormal behaviors like pacing on the perch for birds. There are adaptive stereotypic behaviors such as grooming in cats and preening in birds. Captive parrots commonly perform a range of stereotypies. These behaviors are repeated identically and lack any function or goal.
Rather than refer to the behaviour as abnormal, it has been suggested that it be described as "behaviour indicative of an abnormal environment". [6] Stereotyped behaviour can also refer to normal behaviours that show low variation. For example, mammalian chewing cycles or fish capturing prey using suction feeding.
Vacuum activities (or vacuum behaviours) are innate fixed action patterns (FAPs) of animal behaviour that are performed in the absence of a sign stimulus (releaser [broken anchor]) that normally elicit them. [1] This type of abnormal behaviour shows that a key stimulus is not always needed to produce an activity. [2]
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Some dogs will refuse food from some unknown person after the death of their owner, a behavior that might lead to disease or death in severe cases. [16] The death of mourning animals is likely to be caused by depression leading to starvation or drowning, instead of the intent of suicide.
Pages in category "Abnormal behaviour in animals" The following 22 pages are in this category, out of 22 total. This list may not reflect recent changes. *
Animal sexual behaviour takes many different forms, including within the same species. Common mating or reproductively motivated systems include monogamy , polygyny , polyandry , polygamy and promiscuity .