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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.
Scrapie and other transmissible spongiform encephalopathies are caused by prions. [19] Prions were determined to be the infectious agent because transmission is difficult to prevent with heat, radiation and disinfectants, the agent does not evoke any detectable immune response, and it has a long incubation period of between 18 months and 5 years. [20]
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. *
Retrieved from "https://en.wikipedia.org/w/index.php?title=List_of_abnormal_behaviors_in_animals&oldid=610569178"
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]
It is unknown whether animals are able to 'obsess' in the same way as humans, and because the motivation for compulsive acts in non-human animals is unknown, the term "abnormal repetitive behavior" is less misleading. A wide variety of animals exhibit behaviors that can be considered abnormally repetitive.
Homosexual behavior in sheep has been well documented and studied. The domestic sheep ( Ovis aries ) is the only species of mammal except for humans which exhibits exclusive homosexual behavior. [ 1 ] [ 2 ] [ 3 ] "About 10% of rams (males) refuse to mate with ewes (females) but do readily mate with other rams."
In abnormal definitive hosts, such as sheep and elk, the adults may remain in the smaller arteries of the head and face region, instead of migrating to the carotid artery. In these smaller arteries, they obstruct blood flow to various parts of the head, face, and brain; which leads to the clinical symptoms of elaeophorosis [ citation needed ]