“Lemmings commit mass suicide.”

The widespread belief that lemmings intentionally hurl themselves off cliffs in a mass act of suicide is a persistent misconception with a surprising origin. This dramatic image was largely cemented in the public consciousness by a staged scene in the 1958 Disney documentary 'White Wilderness.' Filmmakers, eager for sensational footage, reportedly herded dozens of lemmings over a cliff, creating a false narrative that has endured for decades.

In reality, lemmings do not deliberately commit suicide. These small rodents are known for their cyclical population booms, which can lead to incredibly high numbers of individuals. During such periods, they often embark on extensive migrations in search of new food sources and less crowded territories. While attempting to traverse unfamiliar landscapes, some lemmings may accidentally fall off cliffs or drown while trying to cross rivers and lakes. These are unfortunate accidents of migration, not intentional acts of self-destruction.

The enduring nature of this myth can be attributed to several factors, including the powerful visual impact of the Disney film and the human tendency to anthropomorphize animal behavior. The idea of animals sacrificing themselves for the greater good, even if incorrect, can be a compelling narrative. Despite scientific consensus debunking the myth, the vivid imagery from 'White Wilderness' continues to shape public perception, making it one of the most widely believed animal myths.