The myth of suicidal lemmings was actually staged by a 1958 Disney documentary.
In short: Lemmings are not self-destructive, yet the idea that they commit mass suicide persists. This video examines the origins of this misconception and explains why these rodents sometimes end up in water during their natural migrations.
The belief that lemmings intentionally leap to their deaths was largely popularized by the 1958 Disney documentary White Wilderness. To capture the footage, the production team imported dozens of lemmings to Alberta, Canada, and fabricated scenes of the animals jumping off cliffs.
In reality, lemmings undergo population spikes that force them to migrate from mountains in search of new territory. During these journeys, they may encounter bodies of water. While some are jostled into the water and drown because they cannot swim far, others survive to establish new colonies, demonstrating a drive to persist rather than perish.
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Sources
- Summary by Intellect · source: Do Lemmings Really Commit Suicide?
- Also: Are Lemmings Really Suicidal? The Truth Behind Animal Myths
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