Lemming Deaths: The Vole Truth is Out There

One of the oddest phenomena in the natural world — the sudden mass death of lemmings — has been resolved, according to a trio of European biologists. Unexplained population crashes of this rodent of the high northern latitudes have bred the myth that, whenever they become too numerous for the available food, the creatures band together and fling themselves off cliffs in a crazed suicidal rush. However researchers now say the truth is even more complex. Lemming populations, they say, surge spectacularly and fall just as quickly, thanks to the combined feasting of four predators: the stoat, arctic fox, snowy owl and a seabird called the long-tailed skua