Why Do Lemmings Jump off Cliffs?


Lemmings jump off the cliff when they are migrating. This happens in large groups when population density becomes too large and they search for a new habitat. On occasion, the lemmings are forced into the sea by the push of more lemmings arriving on the cliff-top.
Q&A Related to "Why Do Lemmings Jump off Cliffs"
They actually don't jump off cliffs, although they do sometimes undertake mass migrations during which some individuals may fall, drown, or get trampled. The myth that lemmings commit
only under the influence of alchohol
Lemmings, contrary to popular belief, are not suicidal, which
Actually, they don't. Lemmings, contrary to popular belief, don't jump off of cliffs and not suicidal.
1 Additional Answer
It's an urban myth that lemmings commit a sort of mass suicide by jumping off of a cliff. While lemmings will swim in search of new habitat, they don't, in fact, throw themselves off of cliffs. This myth was perpetuated by a Disney 'documentary' from the 1950s; the lemming scenes were faked in the movie. You can find more information here: http://www.wildlifenews.alaska.gov/index.cfm?adfg=wildlife_news.view_article&articles_id=56&issue_id=6
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