n. a phenomenon wherein animals are mutually attracted into forming dense groups. As an effect, grouping becomes detrimental to individual animals. Typically, where unlimited food and water are located, the population becomes more dense and the behavior more pathologic. This collapse in behavior was illustrated in experimental studies done by U.S. psychologist John Calhoun (1917-1995).

BEHAVIORAL SINK: "When overcrowding becomes a phenomenon, behavioral sink explains how there can be a collapse in the behavior of this population."
Cite this page: N., Pam M.S., "BEHAVIORAL SINK," in, April 7, 2013, (accessed September 26, 2021).