Käyttäjän copasetikncool päiväkirja

Abnormal behavior in captive animals can include stereotypic behaviors – highly repetitive, invariant, functionless behavior, such as repetitive pacing, swaying, head-bobbing, bar-biting, over-grooming or excessive licking. These behaviors result from “the frustration of natural behavior patterns, impaired brain function, or repeated attempts to deal with some problem” (Mason, 2005).