The Lemmings on the Cliff

When lemmings are at their peak, I guess they're going to like, lemon communities are going to peak way over a thousand. And then if you come back four years after they've plummeted, exactly four years after that, there'll be a thousand times more again. They have this, these amazing population cycles, which some animals have, but they just do it in a much more pronounced and extreme way than others. So we still don't really know why this happens. There's kind of the obvious two options of either they, when the lemon numbers go up and up, then their predators numbers increase as well,. Or it's like the opposite thing where the lemmings,